ANKARA – A Turkish court sentenced several military and civilian personnel at an air base to life prison sentences Thursday, proclaiming them guilty of involvement in a failed coup attempt in 2016, the state-run news agency reported.A total of 475 defendants, including generals and fighter jet pilots at the Akinci air base, on the outskirts of the capital Ankara, were on trial for the past three years, accused of directing the coup and bombing key government buildings, including a section of the parliament building.The massive trial was one of two main trials against suspected members of a network led by U.S.-based cleric Fethullah Gulen, whom Ankara accuses of orchestrating the failed attempt.Gulen, who was also named among the defendants,.