Soldiers from the 631st Chemical Company of the Montana Army National Guard are tasked with "bridging" the gap to get themselves and a barrel to the other side without anything or anyone falling or touching the ground in this bridge crossing exercise of the Leadership Reaction Course on West Camp Rapid in Rapid City, S.D. Pfc. Joshua McNeal is seen here making his way across the make shift bridge as his teammate Cadet David Kelbourne, left, and Warrant Officer Candidate Scott Wilson of the South Dakota National Guard Joint Force Headquarters steady the bridge.