She was acquired by the U.S. Navy on 7 April 1944, renamed USS Barricade (ACM-3), and commissioned the same day, LT. Charles P. Haber, USN, Commanding.

The ship was transferred to the United States Coast Guard and commissioned as USCGC Magnolia (WAGL-328); she was redesignated WLB-328 on 1 September 1965 and served until 1971.

[1] After commissioning, the U.S. Army mine planter was converted to an auxiliary minelayer by the Norfolk Naval Shipyard and was ready to begin her new role by 29 April 1944.

Barricade departed the United States on 14 May 1944 and arrived at Bizerte, Tunisia, where preparations for the invasion of southern France were moving forward.

Between June 1944 and the war's end in May 1945, she served as minesweeper tender at Salerno, Naples, Toulon, Oran, Palermo, Golfe Juan, Cannes, Sardinia, and Anzio.

Her primary duties there were aids to navigation (ATON), servicing light stations and lightships on the California coast, search and rescue, and law enforcement.

[1] In 1976 Magnolia was converted into a crab- and salmon-processing vessel by Marine Industries Northwest for Alaskan sea service.

A fire and explosion, followed by sinking, occurred on 2 October 2002 in the Bering Sea, 30 to 35 miles southwest of St. Paul Island, with two of her crew killed and one lost and presumed dead.