Denzil Mark Gentry served in support of Operation Desert Shield and Desert Storm 2. His grandfather, father, uncles, and cousin were all Army men, while Mark took a different career path enlisting in the United States Air Force. During part of his service time, he was stationed overseas in Japan, training in ground defense. He also trained in law enforcement and graduated from NCO Leadership School. Mark served from 1983-1992, earning a National Defense Service Medal, along with other awards and ribbons for good conduct and outstanding service.