Spark Tank Finalists: How a Dentist Came up With the Idea of Custom Oxygen Masks for Fighter Pilots Feb. 24, 2022 | By Greg Hadley The Department of the Air Force’s annual Spark Tank competition takes place March 4, as six teams will take to the stage at the AFA Warfare Symposium in Orlando, Fla. Each team will pitch the most senior leaders in the Air and Space Forces on ...