File:Bell telephone magazine (1922) (14753923954).jpg

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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y telephone. First comes identification of theflight, from location and direction—ifit can be identified. On the balcony,with this responsibility, are represen-tatives—liaison officers—of the Army,the Navy, and the Civil AeronauticsAdministration. On the balcony is the Controller.He is, or acts for, the CommandingOfficer of the region. It is he whoorders into the air, from the most logi-cal field in the region, pursuit of suffi- cient strength to effect interception ofan enemy flight—of which more in amoment. Acting as liaison officers also, andlikewise on the balcony, are other im-portant individuals: The Anti-Aircraft Officer notifiesthe anti-aircraft artillery, puttingthese forces on the alert. Radio Officers control variouschannels, including those withplanes in flight. The CAA representative can or-der all civilian planes grounded. The Federal CommunicationsCommission representative can si-lence broadcasting stations whenand where necessary. The Civil Air Raid Warning Of-
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ficer notifies designated civilian dis-trict warning centers of the ap-proach of enemy planes, transmitsthe all clear, and issues the In-terceptor Commanders orders forblack-outs. With the giving of suchwarnings, the responsibility of theAir Force for local civilian defenseceases, since the kind and extent ofpassive defense measures in anycommunity are matters to be han-dled by local civilian authorities. Once the Controller orders pursuitplanes from ground alert into the air,he immediately turns over to an In-tercept Officer the navigation for anddirection of those planes in flight.This officer, in a nearby room withassistants, calculates the most effectivepoint of interception. He knows thespeed, rate of climb, and other char-acteristics of the pursuit planes, andis in possession of information aboutweather conditions throughout the re-gion. He is informed of the situationas it develops on the filter map withrespect to the particular mission he Instant telephone communication among

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