He assumed command of the 20th Bombardment Wing at Fort Douglas , Utah in March 1941 and was promoted to brigadier general in April .
Royce was promoted to colonel on 1 March 1940 .
Royce assumed command of the 20th Bombardment Wing at Fort Douglas , Utah in March 1941 and was promoted to brigadier general in April .
Royce was promoted to colonel on 1 March 1940 .