She was laid down 17 June 1944, under Maritime Commission (MARCOM) contract, MCV hull 560, by Permanente Metals Corporation, Yard No.
[3] After shakedown off California, Montrose embarked troops at Seattle, Washington, and steamed to the Philippines, arriving at Leyte 21 February, to prepare for the invasion of the Okinawa.
Leaving the Ryukus she sailed to Ulithi with Army casualties, en route to San Francisco to embark more troops.
[3] In September, she took part in cold weather landing exercises near Kodiak, Alaska, then remained on the west coast until 12 June, when she sailed for Japan.
[3] During the summer of 1965, Montrose visited San Francisco, Puget Sound, and Hawaii as part of the Pacific Midshipman Training Squadron.
[5] With the situation in South Vietnam becoming more precarious, Montrose left San Diego 23 August 1965, to begin training off Okinawa.
She anchored at the mouth of Lòng Tàu River, South Vietnam, on 23 March, and took part in the establishment of a powerful riverine force.
[2] The Navy returned permanent custody to the Maritime Administration (MARAD), 4 June 1970, who immediately sold her for scrapping to Zidell Corporation, Portland, Oregon, the same day for $100,343.43.