Marines attach a barrier to a V-22 Osprey tiltrotor aircraft while working to reinforce the Guajataca Dam in Puerto Rico, Oct. 3, 2017, in Hurricane Maria’s aftermath. – US Department of Defense

Army photo by Pfc. Deomontez Duncan

Picture of the Day: V-22 Osprey Tiltrotor Working Barriers to Reinforce Guajataca Dam Puerto Rico