Night Work: Mechanics Keep the Birds Flying in the Sunlight
A CH-47 Chinook helicopter sits on the airfield at Roosevelt Roads, Puerto Rico, Nov. 2, 2017. Chinooks are being used to deliver aid to the worst-hit and most remote areas of Puerto Rico as part of the ongoing relief and recovery efforts after the island territory was hit by Hurricanes Irma and Maria. Army photo by Spc. Samuel D. Keenan

Photo by: Spc. Samuel D. Keenan |  VIRIN: 171103-Z-KA180-0001.JPG