Army Spc. William Cotter rolls a parking lot with a road roller on Camp Johnson in Colchester, Vt., July 16, 2015. Cotter is a heavy equipment operator assigned to the Massachusetts Army National Guard's 189th Engineer Team Asphalt. Army Spc. William Cotter rolls a parking lot with a road roller on Camp Johnson in Colchester, Vt., July 16, 2015. Cotter is a heavy equipment operator assigned to the Massachusetts Army National Guard's 189th Engineer Team Asphalt. SHARE: Download: Full Size (6.98357 MB) Tags: Photo Essays Credit: VIRIN: 293431-V-YQL19-620.jpg Photo Gallery