Photo by Staff Sgt. Ryan Brooks | 36th Wing | 04.18.2022
U.S. Air Force Staff Sgt. Gabriel Castillo-Medina, an engineering journeyman assigned to the 554th Rapid Engineering Deployable Heavy Operations Repair Squadron Engineer, trains Airman 1st Class Caliya Cortner, an engineering apprentice, to use the Trimble R10 to survey a dirt road to be paved on Northwest Field, Guam, April 18, 2022. The 554 RED HORSE uses real-world construction to train for......
