 Complete the following phrase:  Gilligan returned to Salem State in 1975 to serve as head coach for his alma mater. Playing in ECAC Hockeys now defunct Division II league, Salem State became a powerhouse under Gilligan, winning at least 20 games in each of his six seasons behind the bench. Their best finish came in 1979 when they finished 4th in the NCAA Division II Mens Ice Hockey Championship. After the 1980-81 campaign Gilligan accepted an offer to serve as Tim Taylors assistant at Yale. Two years later Taylor took a hiatus from the University to serve as an assistant for Team USA at the 