Career
He flew with the 921st Fighter Regiment and tied for second-most kills (with Nguyễn Hồng Nhị and Mai Văn Cường) amongst Vietnam War fighter aces at eight. The following kills are known to be credited to him by the VPAF:
20 July 1967, an American F-4 Phantom II (shared kill with Nguyễn Ngọc Độ;
16 September 1967, a United States Air Force RF-101C (serial number 56-0181, 20th Tactical Reconnaissance Squadron. Pilot Patterson).