Senior Airman Ryan Zeski utilizes time during a long flight as a passenger on a Michigan Air National Guard KC-135 Stratotanker to work on some homework for a course he is taking at Oakland University in MIchigan, Nov. 8, 2018. Zeski is one of more than 250 Michigan Citizen-Airmen who are utilizing state or federal tuition assistance to further his education through his military service. (U.S. Air National Guard photo by Tech. Sgt. Dan Heaton)