Rockwell Field, California
The JN-4 Jenny aircraft were actually built on Rockwell Field by enlisted personnel.
Circling the tip of North Island ~ 1918.
Learning aerobatics was an important element of pilot training.
Nothing is wasted. Pictured above is a salvaged engine from a crashed JN-4 Jenny.
By the time his assignment was over, Eddie Jackson had logged more flying time than most graduating pilots.