2. Man in tractor in front of a hangar, planes and other vehicles Date: unknown Format: Still image Access: Public
3. Three men around a tractor with an airplane and hangar in the background Date: unknown Format: Still image Access: Public
4. Two men looking at a large airplane propeller's engine Date: unknown Format: Still image Access: Public
5. Two soldiers in coats at an air base with some cars and a hangar Date: unknown Format: Still image Access: Public