Identifier: belltelephonevol21mag00amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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s form what is designated as theAir Force Combat Command. Thisis organized into four Air Forces: theFirst, the Second, the Third, and theFourth Air Force. Each operates inan area which represents approxi-mately one quarter of continentalUnited States: the north-east, north-west, south-east, and south-west. TheAir Force in each of these four areasis composed of three combat elements:the Bomber Command, the Air Sup-port Command, and the InterceptorCommand. There is also a ServiceCommand, charged with logistical ar-rangements. The Bomber Commands are offen-sive striking forces, their function en-tirely aggressive. The Support Commands cooperateclosely with ground combat forces,and are the air partners of the teamwhich, with mechanized ground units,has proved so effective abroad. The Interceptor Commands, co-ordinating with the Anti-aircraft Ar-tillery Corps, are responsible for thedefense of this country against at-tack through the air. This they ac- f 942 Telephone Lines and Air Defense
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Guarding Our ShoresInterceptor-pursuit aircraft in flight along the coast complish by destroying hostile air-craft in the air and by limiting theireffectiveness by forcing them to highaltitudes or away from their objec-tives. The means employed are, ofcourse, interceptor pursuit squadronsand anti-aircraft artillery. They arealso responsible for giving air raidwarnings to civilian authorities andfor ordering blackouts. It is with the Interceptor Com-mands, and their use of and their co-ordination with and by the telephone,that the following pages deal. D How the System Works EFENSE against enemy air attackbegins with the warning network.Radio locators are indispensable indetecting the approach of aircraftfrom the sea and in locating airplanesin the air. Over land, there is a vast system of civilian observation postswhich swiftly report any planes, overthe existing network of commercialtelephone lines, to Army filter cen-ters. There the telephoned reportsare evaluated, and the filtered

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