Staff Sgt. Christopher Rutkowski tells a crowd of Team Andrews members about the 11th Wing Security Support Squadron's Military Working Dog mission at the library at Joint Base Andrews, Md., July 23, 2014. The library hosted the MWD demonstration as part of its "Paws to Read" summer reading program, which runs through Aug. 9. Rutkowski is an 11th SSPTS MWD trainer. (U.S. Air Force photo/Staff Sgt. Torey Griffith)