He was hospitalized briefly from injuries sustained in Bougainville and then joined the 1st Marine Division in time for landings on Peleliu and, later, Okinawa, where he was again wounded in action.

In 1949 he was ordered to the United Nations Middle Eastern Commission and was active in Lebanon, Israel, Jordan, Syria, Egypt, and Iraq.

Schmuck retired from the Marine Corps in 1960 with the rank of brigadier general, continuing to be active in special missions in Central America, Vietnam, and Laos.

He completed a PhD in nuclear physics at CU–Boulder in the early 1960s, and was a military observer during Desert Storm in February 1991 in the Gulf War.

He was active with the Marine Corps League in Wyoming and Hawaii, and was a founding member of the Viet Nam Vets Motorcycle Club http://www.texasvnvmc.com Archived 2011-10-10 at the Wayback Machine .