Beverly Bulldog 13-02.

Senior Airman Joel Valdez, 51st Maintenance Operation Squadron lead crew member, loads a missile onto an A-10 Thunderbolt II at the flight line on Osan Air Base, Republic of Korea, Feb.13, 2013. The exercise tests Osan Airmen’s abilities during a heightened state of readiness while providing combat ready forces for close air support, air strike control, counter air, interdiction, theater airlift, and communications in the defense of the Republic of Korea. (U.S. Air Force photo/Staff Sgt. Emerson Nuñez)

Beverly Bulldog 13-02.

Senior Airman Joel Valdez, left, 51st Maintenance Operation Squadron lead crew member, and Senior Airman Steven Davarich, 51st Maintenance Operation Squadron lead crew member, secure a missile onto an A-10 Thunderbolt II at the flight line on Osan Air Base, Republic of Korea, Feb.13, 2013. Throughout the week, Osan Mustangs will demonstrate their ability to operate in a chemical environment ensuring the mission can be completed under any conditions. (U.S. Air Force photo/Staff Sgt. Emerson Nuñez)

Flightline Airmen MOPP up ORE

Maintainers with the 51st Maintenance Squadron wearing Mission Oriented Protective Posture gear toe an A-10 Thunderbolt II into a hangar following an exercise combat sortie during operational readiness exercise, Beverly Bulldog 13-02, at Osan Air Base, Republic of Korea, Feb. 14, 2013. These exercises test Osan Airmen’s abilities during a heightened state of readiness while providing combat ready forces for close air support, air strike control, counter air, interdiction, theater airlift and communications in defense of the Republic of Korea. (U.S. Air Force photo/Airman 1st Class Alexis Siekert)

Flightline Airmen MOPP up ORE

Staff Sgt. Joseph Pelkey, 51st Logistics Readiness Squadron Petroleum, Oil and Lubricants fuels distribution operator, runs a gas line to an aircraft after it landed from an exercise sortie at Osan Air Base, Republic of Korea, Feb. 14, 2013. Airmen don Mission Oriented Protective Posture gear in wartime following an attack when contamination is present or suspected or when the highest level of protection is required. (U.S. Air Force photo/Airman 1st Class Alexis Siekert)

Bev Bull 13-02 ash Wednesday

Staff Sgt. Annabelle Maligaya , 51st Force Support Squadron honor guard member, is marked with ashes during the Ash Wednesday Mass at the chapel on Osan Air Base, Republic of Korea, Feb.13, 2013. The ceremony was held during the operational readiness exercise, Beverly Bulldog 13-02. Ash Wednesday marks the beginning of the Season of Lent. (U.S. Air Force photo/Staff Sgt. Emerson Nuñez)

Defenders train to deny enemy forces

Staff Sgt. Arianna Ruiz and Staff Sgt. Franklin Walton, 51st Security Forces members, secure a building of enemy threats during a counter surveillance scenario for an operation readiness exercise, Beverly Bulldog 13-02 at Osan Air Base, Republic of Korea, Feb. 12, 2013. Counter surveillance scenarios are conducted to help train SF Airmen to deny opposing forces entry to the base and OREs tests Osan Airmen’s abilities during a heightened state of readiness while providing combat ready forces for close air support, air strike control, counter air, interdiction, theater airlift, and communications in the defense of the Republic of Korea. (U.S. Air Force photo/Staff Sgt. Sara Csurilla)