Disassembled and towed to the east coast, she entered the Atlantic Reserve Fleet at Green Cove Springs, Florida in January 1947.

Early in 1961, four sections—"A", "B", "C", and "D"—of AFDB‑7 were towed across the Atlantic Ocean to Holy Loch, Scotland, where on 3 March 1961 the Navy established an important base for fleet ballistic submarines.

She supported refit and repair operations by submarine tenders Proteus, Hunley, Holland, Simon Lake, and Canopus.

By providing keel blocks preset for two separate classes of SSBN boats, Los Alamos "added immeasurably to the site’s repair flexibility."

On 18 June 1966, section "F" was turned over to the U.S. Army, where it was converted into a floating power plant at Kwajalein named Andrew J Weber (BD-6235).