Senior Airman Leslie Hibbitts, 28th Contracting Squadron contract officer, reviews quotes from vendors prior to drafting a contract at Ellsworth Air Force Base, S.D., Sept. 3, 2013. The 28th CONS market research team reviews all contracts to ensure they are done according to established guidelines prior to approval. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)