Complex sentence: In 1989 the squadron deployed aboard the U.S.S. Nassau (LHA-4) attached to HMM-264 out of New River for a 6-month'med-cruise' and visited Italy, Spain, Portugal, Monaco, France, Israel and other countries.
Split into simpler sentences: In 1989 the a portion of the squadron deployed aboard the USS Nassau (LHA-4) attached to HMM-264 for a 6-month deployment. They visited Italy, Spain, Portugal, Monaco, France, Israel and other countries.