sentences:  The Black Bears competed in The Eastern College Athletic Conference (ECAC) during their first 7 years of existence, all of which were under Semler.The ECAC was recognized as Division-II hockey until 1979 at which point the conference, and thus Maine, became Division-I – the level of competition they have competed in ever since.Following the 1983–84 season, head coach Jack Semler submitted his resignation.