Photographic section (French).
Surveillance using photography. Opens with shot of soldier by some machine. French soldier in clearing; 2 other soldiers approach at same time an object (camera) is lowered from sky by wires -- they take it when it gets down. CU French soldier beside truck; reaches...
Lord Thomson leaves by plane to conduct survey of Northern Rhodesia, Heston, Greater London.
Soldiers transport large balloon across a field.
Soldier with rifle and Alsatian on guard in snow in France.
Soldier Lifted by Kites an new surveillance method.
Men pump up large observation balloon in field and launch it.
French army observation post in tall tree.
American soldiers demonstrate search light on crane.