Air Force Chief of Staff Gen. David L. Goldfein receives a 4th Special Operations Squadron mission briefing at Hurlburt Field, Fla., Oct. 19, 2016. The 4th SOS plans, prepares and executes AC-130U Spooky gunship missions by providing precise delivery of 25, 40 and 105mm munitions in support of joint, conventional and special operations forces. (U.S. Air Force photo by Senior Airman Jeff Parkinson)