Petty Officer 2nd Class Tyellis Greenprice, corpsman, Navy Personnel Office, looks at night vision mounting equipment made by Norotos Inc., at the Officers’ Club during the Tactical and Technology Day Expo April 19, 2016. (Official Marine Corps photo by Pfc. Dave Flores/Released) - Petty Officer 2nd Class Tyellis Greenprice, corpsman, Navy Personnel Office, looks at night vision mounting equipment made by Norotos Inc., at the Officers’ Club during the Tactical and Technology Day Expo April 19, 2016. (Official Marine Corps photo by Pfc. Dave Flores/Released)