United States Abbreviations and Acronyms
- AIMAAgricultural Impact Mitigation Agreement (US)
- AIMDAircraft Intermediate Maintenance Department
- AINWainwright AS, Fort Wainwright, Alaska, United States
- AIOUnited States Air Force
- AIOAtlantic Municipal Airport, Atlantic, Iowa, United States
- AIPSAdvanced Integrated Propulsion System (US)
- AIRAmerican Institute for Research
- AJAmerican Jurisprudence
- AJCChignik Airport, Chignik, Alaska, United States
- AJPAmerican Journal of Physics
- AJRHabersham County Airport, Cornelia, Georgia, United States
- AJSAmerican Journal of Science
- AKAlaska
- AKAAtka Airport, Atka, Alaska, United States
- AKBAtka Airport, Atka, Alaska, United States
- AKIAkiak Airport, Akiak, Alaska, United States
- AKKAkhiok Airport, Akhiok, Alaska, United States
- AKNKing Salmon Airport, King Salmon, Alaska, United States
- AKOColorado Plains Regional Airport, Akron, Colorado, United States
- AKOAkron-Washington County Airport, Akron, Colorado, United States
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