discharge – upon completion of her repairs, Albemarle sailed westward, arriving at Pearl Harbor on 1 November before pushing on for New Caledonia, arriving there on 13 November, eventually arriving at NAS Alameda, on 28 November. Following a second round-trip voyage to Samar, in the Philippines, and back, Albemarle underwent a three-month overhaul at the Naval Shipyard, Terminal Island, California in preparation for her participation in Operation Crossroads. 1946 The seaplane tender arrived at the Marshall Islands on 4 May 1946 to provide laboratory and base facilities for the technical staff for the operation. On the date of the first test ("Able"), an air detonation of an atomic device, Albemarle lay to the southeast, moored in Kwajalein lagoon. Departing there on 3 July, the ship reached Bikini Atoll the following day, and, except for a rehearsal exercise on 19 July, remained moored at Bikini until she departed the lagoon there on the 25th. She observed the second test ("Baker") on that day, and after spending a brief period at Bikini departed Kwajalein Atoll for Pearl Harbor, reaching her destination on 5 August, her part in "Crossroads" completed. She continued on to the west coast, reaching San Pedro, California on 12 August, and remained there until she sailed for Norfolk on 29 October. Arriving at Norfolk via the Panama Canal on 15 November, Albemarle underwent a six-week overhaul at the Norfolk Naval Shipyard. 1947 She remained in the Norfolk area until she sailed on 3 March 1947 with Commander, Training Command, Atlantic, embarked. Stopping briefly at Key West, Florida, from 6–8 March, Albemarle proceeded on down to Guantánamo Bay, reaching her destination on 10 March for a week's operations there. Clearing "Gitmo" on 18 March, the seaplane tender returned to Norfolk on the 21st. Departing the Hampton Roads area on 9 April, Albemarle sailed for Boston, arriving at the naval shipyard there on the 11th. She remained there until 21 April, at which time she sailed for Newport, making arrival the same day. Departing Newport on the 23rd with ComTraComdLant embarked, Albemarle returned to Norfolk on the 24th, remaining in that vicinity, conducting refresher training and routine upkeep, until 30 June, when she sailed for Boston. Spending the 4 July at Boston, Albemarle remained at that port for over a month, shifting to Newport on 5 August and then back to Boston on the 14th, remaining until 2 September, when she