- Second World War (1939-1945)
- Pilot Officer
- No. 172 Squadron, Royal Canadian Air Force (No. 172 Squadron, Royal Canadian Air Force)
- Awarded on:
- February 8th, 1944
"One night, these officers were rear gunner and pilot respectively of an aircraft which sighted a iully surfaced U-boat. Pilot Officer Armstrong immediately .went into the attack and straddled the vessel with depth charges. Despite heavy fire from the submarine's guns, Pilot Officer Armstrong made 2 'more runs over the vessel and released more depth charges with great accuracy from a very low level. This officer displayed great skill, courage and determination. In the action, Flying Officer Heard was severely wounded in the leg and the arm but he displayed outstanding fortitude and praiseworthy devotion to duty, setting a splendid example."
Awarded simultaneously to Flying Officer Heard