A CH-47 Chinook helicopter from the Pennsylvania Army National Guard emplaces a large sand bag in the spillway of the Guajataca Dam on Oct. 9, 2017. The Soldiers are working to stabilize the dam's spillway in conjunction with the U.S. Army Corps of Engineers and the Puerto Rico Army National Guard in response to the effects of Hurricane Maria.  (36th Infantry Division photo by SSG Mark Scovell)
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Maj. Randall Stillinger/36th Infantry Division (TXARNG)
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