Complex sentence: In 1980, the Nimitz and CVW-8 took part in a round the world cruise and while on this cruise, the carrier served as the seaborne base in response to the Iran hostage crisis and the subsequent attempted rescue of the US Embassy hostages from Iran.
Split into simpler sentences: In 1980, the Nimitz and CVW-8 took part in a round the world cruise. While on this cruise, the carrier served as the seaborne base in response to the Iran hostage crisis and the subsequent attempted rescue of the US Embassy hostages from Iran.