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Southwest Asia Theater, Including Specified Waters And Airspace Presumptive Service Reference

Read the listed service dates and 26 condition pathways for Southwest Asia theater, including specified waters and airspace, 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
AsthmaBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

RhinitisBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Sinusitis, including rhinosinusitisBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Squamous cell carcinoma of the larynxBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Squamous cell carcinoma of the tracheaBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Adenocarcinoma of the tracheaBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Salivary gland-type tumors of the tracheaBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Adenosquamous carcinoma of the lungBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Large cell carcinoma of the lungBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Salivary gland-type tumors of the lungBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Sarcomatoid carcinoma of the lungBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Typical and atypical carcinoid of the lungBurn Pits and ParticulatesSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarThe condition may manifest to any degree, including noncompensable, at any time after separation from qualifying service. The former ten-year limit is not applied. Regulatory rebuttal exceptions remain. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.320. Verified 2026-10-25. Source 1 · Source 2

Undiagnosed illnessGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarRequires objective indications of qualifying chronic disability, lasting at least six months or showing intermittent episodes over six months. Under current 38 U.S.C. 1117 it may manifest to any degree at any time; the older regulatory December 2026/10% restriction is not applied. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 U.S.C. 1117; 38 CFR 3.317(a). Verified 2026-10-25. Source 1 · Source 2 · Source 3 · Source 4

Medically unexplained chronic multisymptom illnessGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarRequires objective indications of qualifying chronic disability, lasting at least six months or showing intermittent episodes over six months. Under current 38 U.S.C. 1117 it may manifest to any degree at any time; the older regulatory December 2026/10% restriction is not applied. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 U.S.C. 1117; 38 CFR 3.317(a). Verified 2026-10-25. Source 1 · Source 2 · Source 3 · Source 4

Chronic fatigue syndromeGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarRequires objective indications of qualifying chronic disability, lasting at least six months or showing intermittent episodes over six months. Under current 38 U.S.C. 1117 it may manifest to any degree at any time; the older regulatory December 2026/10% restriction is not applied. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 U.S.C. 1117; 38 CFR 3.317(a). Verified 2026-10-25. Source 1 · Source 2 · Source 3 · Source 4

FibromyalgiaGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarRequires objective indications of qualifying chronic disability, lasting at least six months or showing intermittent episodes over six months. Under current 38 U.S.C. 1117 it may manifest to any degree at any time; the older regulatory December 2026/10% restriction is not applied. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 U.S.C. 1117; 38 CFR 3.317(a). Verified 2026-10-25. Source 1 · Source 2 · Source 3 · Source 4

Functional gastrointestinal disorders, including irritable bowel syndromeGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarRequires objective indications of qualifying chronic disability, lasting at least six months or showing intermittent episodes over six months. Under current 38 U.S.C. 1117 it may manifest to any degree at any time; the older regulatory December 2026/10% restriction is not applied. Structural gastrointestinal diseases are excluded from this category. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 U.S.C. 1117; 38 CFR 3.317(a). Verified 2026-10-25. Source 1 · Source 2 · Source 3 · Source 4

BrucellosisGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10% within one year after separation from qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

Campylobacter jejuniGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10% within one year after separation from qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

Coxiella burnetii (Q fever)Gulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10% within one year after separation from qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

MalariaGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10% within one year after separation, or at a time when accepted treatises establish that incubation began during qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

Mycobacterium tuberculosisGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10%, with no time limit after qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

Nontyphoid SalmonellaGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10% within one year after separation from qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

ShigellaGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10% within one year after separation from qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

Visceral leishmaniasisGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10%, with no time limit after qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

West Nile virusGulf WarSouthwest Asia theater, including specified waters and airspaceOn or after August 2, 1990, during the Persian Gulf WarMust become manifest to at least 10% within one year after separation from qualifying service. Regulatory rebuttal exceptions apply. The theater includes Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea and the Red Sea, and the airspace above those locations.

38 CFR 3.317(c). Verified 2026-10-25. Source 1 · Source 2 · Source 3

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Last verified 2026-10-25. Source publication or legal effective dates are shown separately where available.

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