Maj. Gen. Evan Dertien, Air Force Test Center and former 96th Test Wing commander, toured the 413th Flight Test Squadron, the Air Force's only rotary wing developmental test squadron Nov. 9 at Duke Field, north of Eglin. Dertien and Brig. Gen. Jeffrey Geraghty, current 96th TW commander, visited with the BETA team, learned about the MH-139A Grey Wolf, and received an update on artificial intelligence and autonomy testing. Imagery by Samuel King Jr.