Independent Guidance For Veterans & FamiliesNot Affiliated With The VA

VA BENEFITS REFERENCE

Atmospheric Nuclear-Test Sites And Direct Support Activities Presumptive Service Reference

Read the listed service dates and 21 condition pathways for Atmospheric nuclear-test sites and direct support activities, with source-specific limits and official citations.

Independent Education · Official Sources · Last Verified October 25, 2026

This location group preserves the places and activity limits stated together in the source. It is not an individual service-history assessment. Conditions, dates and legal pathways must be read together.

Published Presumptive Reference
ConditionExposureListed Service LocationsService DatesCriteria And Sources
Leukemia other than chronic lymphocytic leukemiaRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Thyroid cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Breast cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Pharyngeal cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Esophageal cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Stomach cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Small intestine cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Pancreatic cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Multiple myelomaRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Lymphomas other than Hodgkin's diseaseRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bile duct cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Gallbladder cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Primary liver cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. The presumption excludes cases indicating cirrhosis or hepatitis B. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Salivary gland cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Urinary tract cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Urinary tract means kidneys, renal pelves, ureters, urinary bladder and urethra. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bronchiolo-alveolar carcinomaRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Bone cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Brain cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Colon cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Lung cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

Ovarian cancerRadiationAtmospheric nuclear-test sites and direct support activitiesTrinity: July 16, 1945 through August 6, 1945; Crossroads: July 1, 1946 through August 31, 1946; Sandstone: April 15, 1948 through May 20, 1948; Ranger: January 27, 1951 through February 6, 1951; Greenhouse: April 8, 1951 through June 20, 1951; Buster-Jangle: October 22, 1951 through December 20, 1951; Tumbler-Snapper: April 1, 1952 through June 20, 1952; Ivy: November 1, 1952 through December 31, 1952; Upshot-Knothole: March 17, 1953 through June 20, 1953; Castle: March 1, 1954 through May 31, 1954; Teapot: February 18, 1955 through June 10, 1955; Wigwam: May 14, 1955 through May 15, 1955; Redwing: May 5, 1956 through August 6, 1956; Plumbbob: May 28, 1957 through October 22, 1957; Hardtack I: April 28, 1958 through October 31, 1958; Argus: August 27, 1958 through September 10, 1958; Hardtack Ii: September 19, 1958 through October 31, 1958; Dominic I: April 25, 1962 through December 31, 1962; Dominic Ii/Plowshare: July 6, 1962 through August 15, 1962VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Onsite participation during a listed operational period, or qualifying project-completion or decontamination duties at the test or staging area within six months afterward. Atmospheric testing includes underwater detonations.

38 CFR 3.309(d). Verified 2026-10-25. Source 1

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