Thomas Washington (T-AGOR-10) was a Robert D. Conrad-class oceanographic research ship delivered to the U.S. Navy in 1965.

[note 1] In September 1992 the ship was sold to Chile and operated by the Chilean Navy as Vidal Gormaz until decommissioned in August 2010 and broken up in 2012.

With a capacity of 66,000 US gallons (250,000 L) of diesel oil the ship had a range of 8,200 nmi (9,400 mi; 15,200 km) at cruising speed.

[5] Thomas Washington, reaching the 1992 end of life projection, was inactivated and struck by the Navy 1 August 1992.

[2][6] The ship was sold to Chile for operation by the Chilean Navy, renamed Vidal Gormaz for the founder of the Chilean Hydrographic Office, Commodore Francisco Vidal Gormaz (1837 - 1907), and commissioned at San Diego, California on 28 September 1992.