Readiness

U.S. Marine Corps Lance Cpl. Frank DeGuzman, a crewmaster with Marine Aerial Refueler Transport Squadron 234, Marine Aircraft Group 41, 4th Marine Aircraft Wing, communicates through his headset before an aerial refueling training mission at Canadian Forces Base Cold Lake, Canada, June 17, 2019, in support of Sentinel Edge 19. MARFORRES squadrons participate in SE19 to both complete annual training requirements and to increase unit readiness and proficiency. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)