direct+a+current+of+air+upon
31Turbocharged Direct Injection — TDI badge TDI embossed on the engine cowl …
32Railway air brake — Piping diagram from 1920 of a Westinghouse E T Air Brake system on a locomotive …
33Pakistan Air Force — For other uses, see PAF (disambiguation). Pakistan Air Force Pakistan Air Force Ensign Founded 14 August 19 …
34Norton Air Force Base — Part of Air Mobility Command (AMC) Located in San Bernardino, California …
35Kingston upon Hull — City of Kingston upon Hull   City and Unitary Authority area   The Queen s Gardens, Maritime Museum, and City Hall (rear) in Kingston upon Hull …
36McCoy Air Force Base — Part of Strategic Air Command Orlando, Florida …
37Twentieth Air Force — Infobox Military Unit unit name= Twentieth Air Force caption= Twentieth Air Force emblem dates= 20 June 1941 country= United States of America allegiance= branch= United States Air Force type= role= size= command structure=Air Force Space Command …
38Otis Air National Guard Base — Coast Guard Air Station Cape Cod Part of Massachusetts Air National Guard (MA ANG) Located near: Mashpee, Massachusetts …
39Nellis Air Force Base — Part of Air Combat Command (ACC) Located near: Las Vegas, Nevada …
40Keesler Air Force Base — Part of Air Education and Training Command (AETC) Located near: Biloxi, Mississippi …