(From right) Staff Sgt. Joseph Ross, Master Sgt. Arthur Galindo, and Staff Sgt. Jose Jimenez-Garcia, 144th Air National Guard Civil Engineer Squadron, clamp two arcs together before seaming at Andersen Air Force Base, Guam's Northwest Field May 13. The 144th ANG CES are here for two weeks to help with the k-span building that will continue till August 1. (U.S. Air Force photo/Airman 1st Class Courtney Witt)