Photo: In this May 23, 2016 photo, Maryland School for the Deaf government and history teacher Keith Nolan, left, stands at attention with school Cadet Corps members, left to right, Jennida Willoughby, Maverick Obermiller, Blake Brewer and Kiser Holliday, and school audiologist David Alexander in Frederick, Maryland. Nolan wants the Defense Department to allow deaf people to enter the armed services. (AP Photo/David Dishneau)
