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Kesselring, Albert

(Encyclopedia)Kesselring, Albert älˈbĕrt kĕsˈəlrĭng [key], 1885–1960, German field marshal. An artillery staff officer in World War I, he later joined the air force and rapidly rose in rank during the Hitl...

hiccup

(Encyclopedia)hiccup or hiccough, involuntary spasmodic contraction of the diaphragm followed by a sharp intake of air, which is abruptly stopped by a sudden, involuntary closing of the glottis (opening between the...

Scheele, Karl Wilhelm

(Encyclopedia)Scheele, Karl Wilhelm kärl vĭlˈhĕlm shāˈlə [key], 1742–86, Swedish chemist, b. Stralsund. He is known as the discoverer of many chemical substances. He was a pharmacist in Stockholm, in Uppsa...

avionics

(Encyclopedia)avionics āˌvēŏnˈĭks [key], electronic instruments used in air or space flight; also the design and production of such instruments. Early planes had few instruments, but as aviation and aircraft ...

Boyd, Alan Stephenson

(Encyclopedia)Boyd, Alan Stephenson, 1922–2020, U.S. government official, first secretary of transportation (1967–69), b. Jacksonville, Fla. After serving in the Army Air Forces in World War II, he graduated fr...

White Sands

(Encyclopedia)White Sands, uninhabited desert area, S central N.Mex. It is a center for U.S. military-weapons research and testing. On July 16, 1945, the first atomic bomb was exploded at Holloman Air Force Base (f...

ground speed indicator

(Encyclopedia)ground speed indicator: see air navigation. ...

instrument flight regulations

(Encyclopedia)instrument flight regulations: see air navigation. ...

visual flight regulations

(Encyclopedia)visual flight regulations: see air navigation. ...

ground-effect machine

(Encyclopedia)ground-effect machine: see air-cushion vehicle. ...