The ‘legacy’ F-15C/D may now be a dwindling presence in the U.S. Air Force, but the jets still support vital test work with NASA’s Armstrong Flight Research Center. NASA has long flown different F-15 variants for numerous kinds of missions and recently added to its fleet with another pair of jets cascaded down from the Air Force. Meanwhile, older F-15s are also continuing to take on new test **** ignments with NASA, having already contributed enormously to its military and civilian research programs, including flying alongside legacy F/A-18 Hornets.
Earlier this month, NASA confirmed that it