Signal for the start of a German air squadron on the Western
Since the pilots could not hear verbally given instructions because of the noise of their machines, the command to start the airplanes is given by a signal rocket, which produced a large tail
Picture No
10523740
Media ID
48156193
Size
1626px x 2756px
(1.1MB)
Credit
Mary Evans / SZ Photo / Scherl
Date
1918
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