Army Sgt. 1st Class Patrick Casha, right, a flight engineer instructor with the Oregon Army National Guard, explains the capabilities of the HH-60M Black Hawk medical evacuation helicopter to a delegation from the Vietnam People's Army during a State Partnership Program visit to the Army Aviation Support Facility in Salem, Ore., April 15, 2013. The visit culminated in a three-day workshop in Portland, Ore. ( Army photo by Staff Sgt. April Davis/Released) Vietnam People's Army delegation tours search and rescue aircraft 130415-Z-OT568-036

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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