Complex sentence: USNS "Prevail" (IX 537) is a modified Stalwart class Auxiliary General Ocean Surveillance Ship (AGOS) of the United States Navy previously operated by the U.S. Military Sealift Command as T-AGOS 8.
Split into simpler sentences: USNS "Prevail" (IX 537) is a modified Stalwart class Auxiliary General Ocean Surveillance Ship (AGOS) of the United States Navy. Prevail was previously operated by the U.S. Military Sealift Command as T-AGOS 8.