sentences:  They play at the Harold Alfond Sports Arena commonly known as Alfond Arena in Orono, Maine.The Black Bears have appeared in 11 Frozen Fours, have a 28–18 record in NCAA Tournament games, and have won two national championships—in 1993 and 1999.The University of Maine, then known as the University of Maine at Orono, officially developed an NCAA sanctioned men's ice hockey program in 1977.