U.S. Army engineers with the 125th Multi-Role Bridge Company (MRBC), South Carolina Army National Guard train to sling load the unit's Bridge Erection Boats (BEB) with a U.S. Army CH-47 Chinook helicopter at Strom Thurmond Lake, Clarks Hill Training Site, in Plum Branch, S.C., June 18, 2014. The airlift operations were part of the unit's annual training where platoons trained to transport their boats by air in response to a natural disaster when transportation by road was not possible.