Army Spc. Zachary Isham, left, and Army Staff Sgt. Paul Jardine lead a team carrying a litter on Camp Ethan Allen Training Site in Jericho, Vt., July 22, 2015. Isham and Garrison are assigned to the Vermont National Guard. They are working with the Army Medical Department Board, Medevac Proponency Directorate and the Army Aeromedical Research Lab to evaluate five flexible litters. Army Spc. Zachary Isham, left, and Army Staff Sgt. Paul Jardine lead a team carrying a litter on Camp Ethan Allen Training Site in Jericho, Vt., July 22, 2015. Isham and Garrison are assigned to the Vermont National Guard. They are working with the Army Medical Department Board, Medevac Proponency Directorate and the Army Aeromedical Research Lab to evaluate five flexible litters. SHARE: Download: Full Size (2.150629 MB) Tags: Photo Essays Credit: VIRIN: 070053-W-CYN34-787.jpg Photo Gallery