A Curtiss P-1 Hawk taxis and takes off from a snow field during winter equipment test in Oscoda, Michigan.

First Pursuit Group tests winter equipment during maneuvers in Oscoda, Michigan. A modified United States Army Air Corps fighter aircraft Curtiss P-1 Hawk stationary on snow. Skis on the aircraft. The aircraft being warmed up prior to a take off. Crew turns the propeller of the aircraft. The propeller turns. A pilot in a cockpit. A row of stationary P-1 Hawks equipped with skis on a flight line. A tower building in the background. Ground personnel turn the aircraft around. Snow blown due to the propeller blast. A P-1 Hawk taxis on the snow field and takes off.