 After four years studying, Trần Hanh became commander ("đại đội trưởng") of the newly found 2nd Company of the Vietnam People's Air Force.In August 1964, Trần Hanh was appointed commander of the 1st Company, 921st Regiment ("Sao Đỏ") of the Vietnam People's Air Force.On April 4, 1965, Trần Hanh shot down the F-105D No.