SENIOR AIRMAN (SRA) Nick Spencer, USAF, a RAVEN (a security forces member that provides force protection to deployed aircraft), 440th Security Forces Squadron, Billy Mitchell Airport, Milwaukee, Wisconsin, U.S. Air Force Reserve, helps load baggage onto a C-17 Globemaster III. SRA Spencer and the crew prepare for another mission in support of Operation ENDURING FREEDOM, from Naval Air Station, Sigonella, Sicily