Shots of a barrage balloon being inflated.
Unused / unissued material - no paperwork - dates unclear or unknown
People including lots of children gaze upwards. RAF (Royal Air Force men) hoist flags with letters on. Shot of barrage balloon. Shot of letters hanging on wires from balloon - letters spell out 'You need us - We need you'. More shots of same.
Shots of barrage being inflated on ground. Shots of people looking up into the air. More shots of the balloon being inflated.