Taken in 1971 by U.S. Army medic Charles Tweel, this photograph shows a Chinook delivering artillery. Men hide behind a pile of sandbags to protect themselves from the dirt the helicopter stirs up. This photograph is part of the Charles Tweel Collection (AV 324) at the Ohio History Connection. Charles Tweel grew up in Columbus, Ohio, and attended The Ohio State University. After graduation in 1968, he enlisted in the U.S. Army as a non-combatant, first training as a medic at Fort Sam Huston, followed by nine months of additional training at Valley Forge General Hospital in Phoenixville, Pennsylvania. He finished his training as a Specialist 3 and 91C, MOS, and went on to serve in Bamberg, Germany, with combat engineers for one year. In Jan...