Peter John Badcoe, was an Australian recipient of the Victoria Cross, the highest award for gallantry in battle that could be awarded at that time to a member of the Australian armed forces. Badcoe, born Peter Badcock, joined the Australian Army in 1950 and graduated from the Officer Cadet School, Portsea, in 1952 as a second lieutenant in the Royal Australian Artillery. A series of regimental postings followed, including a tour in the Federation of Malaya in 1962, during which he spent a week in South Vietnam observing the fighting. During the previous year, Badcock had changed his surname to Badcoe. After another regimental posting, he transferred to the Royal Australian Infantry Corps, and was promoted to major.

The Republic of Vietnam Gallantry Cross also known as the Vietnamese Gallantry Cross or Vietnam Cross of Gallantry is a military decoration of the former Government of South Vietnam. The medal was created on August 15, 1950, and was awarded to military personnel, civilians, and Armed Forces units and organizations in recognition of deeds of valor or heroic conduct while in combat with the enemy.