One of the six U.S. Air Force members who was killed when a military refueling tanker plane crashed in Iraq was an Oklahoma State graduate.Oklahoma State posted a picture of Major John "Alex" Klinner on Facebook on Tuesday morni ng. Klinner graduated from OSU's MBA program in 2025.Officials say the plane crash was not due to hostile or friendly fire.Stay in touch with us anytime, anywhere -- 2 News Oklahoma on your schedule | Download on your TV, watch for free. How to watch on your streaming device Download our free app for Apple, Android and Kindle devices. Like us on Facebook Follow us on Instagram Watch LIVE 24/7 on YouTube ...read more read less