Air Force Reserve Maj. Darrell Surratt of the 919th Medical Squadron demonstrates a stitch for a simple suture on a lacerated pig’s foot at Duke Field, Fla., Nov. 6. The 919th MDS conducted training on simple- interrupted sutures and mattress sutures using pigs’ feet during the November unit training assembly. (U.S. Air Force photo/Tech. Sgt. Cheryl L. Foster)