A Ford trimotor airplane in hangar being prepared for flight. The aircraft inflight on its way to Lake St. Agnes, Quebec,Canada

Mechanics perform pre-departure maintenance on a Ford trimotor airplane at a hangar in Detroit, Michigan. Later, pilots Floyd Bennett and Bert Balchen, and others, board and take off. Aerial view from above, of the airplane flying en route to Lac Ste. Agnes (Lake St. Agnes) Quebec, Canada, to bring supplies needed to repair the Junkers aircraft "Bremen" that had crash-landed on Greenly Island after a transatlantic flight.