May 22, 2026 Readout of US Air Force Chief of Staff Gen. Ken Wilsbach’s counterpart visit with Argentine Air Force Chief of Staff Brig. Gen. Gustavo Valverde USAF Gen. Wilsbach hosted Argentine Air Chief Brig. Gen. Valverde to strengthen defense cooperation after key talks across the U.S. focused on fleet modernization, F-16 training, and C-130 sustainment.