82. Man in tractor in front of a hangar, planes and other vehicles Date: unknown Format: Still image Access: Public
84. Man standing in front of a trailer that says U.S. Air Force Date: unknown Format: Still image Access: Public
85. A propeller-driven aircraft with a hangar and vehicles around it Date: unknown Format: Still image Access: Public
86. A row of propeller-driven aircraft with a group of men checking the engine of one Date: unknown Format: Still image Access: Public
87. Some men around a large propeller-driven aircraft next to a row of smaller ones Date: unknown Format: Still image Access: Public
88. Three men around a tractor with an airplane and hangar in the background Date: unknown Format: Still image Access: Public
89. Two men by a large propeller-driven aircraft with smaller ones behind it Date: unknown Format: Still image Access: Public
90. Two men looking at a large airplane propeller's engine Date: unknown Format: Still image Access: Public