sentences:  Upon graduation and receiving his rating, he was commissioned a second lieutenant in the Army Air Corps in February 1929.His early service included assignments at most of the famed Air Corps fields of the day – Chanute Field, Illinois, as a student officer at the Air Corps Technical School's maintenance engineer course; Langley Field, Virginia, as commanding officer of the 2d Wing headquarters detachment (1934); Bolling Field, Washington, D.C., for duty as an Army Air Corps Mail Operation (Eastern Zone) pilot (1934); engineering and armament officer of the 28th Bombardment Squadron at Nichols Field, Philippines; and at Randolph Field, Texas, as a flying instructor (1938–1940).He completed his early career at Maxwell Field, Alabama, as a student at the Air Corps Tactical School (1940–1941).