Frank D. Sprague was born July 14, 1920 to William Leonard and Rebecca J. De Cook Sprague. He died June 10, 1943 and is memorialized at the Walls of the Missing, Manila American Cemetery, Taguig City, Philippines.
Lt. Sprague served in World War II with the U.S. Army Air Corps 31st Bomber Squadron, 5th Bomber Group, Heavy and was MIA/FOD/KIA in the Solomon Islands and was awarded the Purple Heart and Air Medal.
Source: ancestry.com