Crewed by civilians from the Maritime Commission, Greenville Victory, from 1950 to 1953, operated in the Atlantic Ocean and the Caribbean, carrying military cargo to French, English, and German ports; Guantanamo Bay; and the Panama Canal Zone.

Sailing from Yokohama 4 1953 October via San Francisco, California, she reached New York City 6 November 1953 to resume cargo runs to Europe.

On 16 November 1955, she departed Newport, Rhode Island, for Antarctica and arrived at McMurdo Sound 16 January 1956 to provision ships of Task Force 43, as part of the Navy's Operation Deep Freeze.

Between 1956 and 1964 Greenville Victory maintained a busy schedule transporting cargo to American bases scattered throughout the world.

Greenville Victory departed Norfolk, Virginia, 6 October 1964 to participate in the massive transatlantic trooplift exercise, "Steel Pike I."

Greenville Victory departed New York 22 November 1964 for duty in the Western Pacific for the Vietnam War.

During the next 5 months, Greenville Victory made cargo runs in the Atlantic out of Norfolk, Virginia, and New York.

Having unloaded, she sailed 1 March 1966 for the U.S. West Coast to transport additional military material from the United States to South Vietnam.

In the aftermath of the Fall of Saigon on 30 April 1975 the ship took onboard over 5400 South Vietnamese refugees and delivered them to Guam a week later.

[5]: 57  The six received Merchant Marine Distinguished Service Medals for their role during the action: Clinton Harriman, Karl Lonsdale, Robert Griffin, Michael Saltwick, Hermino Rivera and Epifanio Rodriguez.

[6] On 22 March 1976 Greenville Victory was transferred to the U.S. Maritime Administration who placed her in the National Defense Reserve Fleet, James River Group, at Lee Hall, Virginia.