SAPR Stand-Down at Joint Base Andrews Published June 26, 2013 By Master Sgt. Marvin R. Preston Photojournalist, Public Affairs JOINT BASE ANDREWS, Md. -- Col. Doug Slocum, the chief of Air National Guard Safety speaks to Airmen and other ANG personnel during a Sexual Assault Prevention and Response stand-down at Joint Base Andrews, Md., June 25, 2013. The purpose of the SAPR stand-down is to foster a climate of accountability while reinforcing the Department of Defense's position that sexist behavior, sexual harassment, and sexual assault will not be tolerated, condoned or ignored.