in the general military drawdown following the end of the cold war, many european-based f-15c eagles previously assigned to usafe were also transferred stateside. the 101st fighter squadron of the massachusetts air national guard received new f-15cs that were previously with the 32d fighter group, soesterberg ab, netherlands in 1994. other f-15a / f-15b units were upgraded to the f-15c and f-15d as they became available during the mid-1990s.