WWII U.S. MARINE SPOTTER PLANE

Photo of a U.S. Marine spotter plane flies an artillery control mission over the front lines on Okinawa, Japan on June 2, 1945 during World War II. Below, smoke rises from artillery and mortar fire on enemy strongpoints.

A Stinson L-5 Sentinel does artillery spotting for Marines on Okinawa on June 2, 1945. (U.S. Marine Corps (Associated Press);)

U.S. Marine Corps (Associated Press);