Complex sentence: On 19 February 2003, Squadron 60 was re-established as a permanently-assigned, forward-based destroyer squadron staff homeported in Gaeta, Italy, the headquarters of the United States Sixth Fleet.
Split into simpler sentences: On 19 February 2003, Destroyer Squadron 60 was re-established as a permanently-assigned, forward-based destroyer squadron staff. It was homeported in Gaeta, Italy, the headquarters of the United States Sixth Fleet.