Academy Kit #12506. 1/72 scale. Multi-Stage Improvement Program (MSIP) was a joint effort between McDonnell Douglas and USAF to upgrade avionics and weapons of this F-15C from the 173rd Fighter Wing. Markings include three (3) USAF 114 FS 173 FW, Oregon ANG (x2) and 67 FS 18 FW, Kadena AB, Okinawa.