Marines from 2nd Platoon, Bravo Company, 3rd Combat Engineer Battalion, wait for a multi-purpose bucket loader to finish dumping dirt into a gabion while constructing an elevated post during the opening phase of Operation Double Check, a battalion-level offensive to rid Mosulmani and other areas of southern Musa Qal’eh district of insurgents. Second Platoon is working in direct support of 2nd Battalion, 4th Marine Regiment, during the operation.