Flying over the Gulf of Mexico, the US Air Force's F-15EX Eagle II, successfully fired an AIM-120D air-to-air missile on January 25.(U.S. Air Force photo by Tech. Sgt. John Raven)The US Department of Defense announced that the F-15EX Eagle II aircraft of the 40th Flight Test Squadron launched the AMRAAM (AIM120D) missile, successfully locking…