Army manoeuvre where instructions are relayed to mobile gun batteries by radio.
Titles read: "HORSELESS RHA DISPLAY".
Aldershot (?), Hampshire.
Various shots of an army manoeuvre where tanks and trucks pulling battery guns receive their orders by radio and communicate their reply in the same way, whilst travelling to the specified location. Trainee officers watch as soldiers load the Howitzer guns in a field under orders shouted through a megaphone by an officer.