oh this is cool, 1943 at the Grumman factory on Long Island. Scooters were used to give pilots a ride to the planes, and for portable fire extinguishers

at the Grumman Aircraft facility on Long Island, NY; two women scooter drivers and a pilot are in the foreground, circa 1943. Scooters are used for transporting pilots and for fire extinguishing.
https://www.flickr.com/photos/133697406@N05/27018216272/