An A-10 Thunderbolt II from Selfridge Air National Guard Base, Mich., displaying serpentine noseart around the 30 mm GAU-8/A Gatling Gun while being mid-air refueled during a boss lift and training flight over Michigan, July 11, 2012. The A-10 host an assortment of armament, with the GAU-8/A cannon able to dispense 3,900 rounds per minute.