Category:USNS Glomar Explorer (T-AG-193)

**GSF Explorer**
	deep-sea drillship platform
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Instance of	drillship;
Operator	United States Navy;
Manufacturer	Sun Shipbuilding & Drydock Company;
Yard number	661;
Service entry	1973;
Date of official opening	1 November 1972;
End time	2015 (ship breaking);
Gross tonnage	27,686;
Beam	35.27 m;
Draft	10.7 m;
Length	188.57 m;
Authority file
	Q1564035; VIAF ID: 128980479; Library of Congress authority ID: n77010669; J9U ID: 987007451761405171; IMO ship number: 7233292
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Information about the vessel may be found at IMO 7233292.
A ship can change name and flag state through time, but the IMO number remains the same through the hull's entire lifetime. As a result, it can be useful to identify a ship by using the IMO number.