Above Photo: MTSU President Sidney A. McPhee, second from left, presents aerospace alumnus Colton Gray of Lebanon, Tenn., a framed certificate of recognition for becoming the first Delta Propel pilot program graduate, as aerospace Chair Chaminda Prelis, left, and Keith M. Huber, senior adviser for veterans and leadership initiatives applaud with the rest of the audience. MTSU and Delta celebrated the occasion Tuesday, April 5, in the MTSU Science Building’s Liz and Creighton Rhea Atrium. G .