She departed Vietnam for the United States 13 December; and, steaming via Pearl Harbor and the Panama Canal, she arrived New York 13 January 1966. Geiger resumed transatlantic service to Bremerhaven 1 February, and during the next 6 months made six runs between the United States and Europe. Departing Bremerhaven 8 August, she steamed via the Panama Canal and San Francisco to resume troop-carrying duty in the Far East. During 1967 Geiger shuttled between San Francisco and Vietnam carrying U.S. troops to bolster Allied forces fighting in the Vietnam War.
