Staff. Sgt Roger Torgeson and Staff Sgt. Ken Kramer of the 137th Space Warning Squadron demonstrate effective defensive and offensive hand gun techniques, June 10, Ellsworth Air Force Base, S.D. Members of the 137th SWS located in Greeley Colorado, are participating in several training events while at Ellsworth AFB this week to further enhance their one of a kind worldwide capable mission as a missile warning , space launch and detection mobile unit.