F135 testing resumes in J2
Jeff Albro, right, Joint Strike Fighter Joint Program Office F135 ground test and evaluation manager, speaks with Lt. Col. Lane Haubelt, Materiel leader for the Arnold Engineering Development Complex Aeropropulsion Ground Test Branch, as they and others tour the J2 test cell with an F135 engine installed, Sept. 2, 2020, at Arnold Air Force Base, Tenn. Testing of a new rotor design, also tested in a Sea Level test cell, is continuing in J2 after an outage. (U.S. Air Force photo by Jill Pickett)