The construction of USS Los Angeles (ZR-3), LZ-126, rigid airship by Zeppelin company in Friedrichshafen, Germany. The finished skeleton of the airship shows bottom of frame gondolas and oil tanks. Men work on the ship. Men mount engine on a gondola. They attach fabric to framework. Men on ladders work on bow and tail. A man manipulates the elevator controls. Interior of ZR-3 before installing gas balloonettes. Interior of a catwalk. Main passageway of the gondola. Navigating bridge and controls. Radio instruments in communication center.