Artist Joan Chiverton, of the Society of Illustrators, photographs members of the 421st Combat Tactics Squadron as they perform simulated combat operations during a visit to the U.S. Air Force Expeditionary Center, May 19. Chiverton takes photos to use for future Air Force art projects. The society was founded in 1901; its members have been creating military artwork that is currently on display in museums around the country, depicting the efforts and sacrifices of U.S. service members. (U.S. Air Force courtesy photo/Released)