Complex sentence: USS "Harold E. Holt" (FF-1074) was a of the US Navy named after the Australian Prime Minister Harold Holt who had disappeared while swimming in 1967.
Split into simpler sentences: USS "Harold E. Holt" (FF-1074) was a of the United States Navy. She was named for Harold Holt, the Prime Minister of Australia, who had disappeared while swimming in 1967.