US Air Force (USAF) STAFF Sergeant (SSGT) Landon Cutler (right) with the 91st Space Wing (SW) "Roughriders," Minot Air Force Base (AFB), North Dakota (ND), works on equipment, while SSGT Ananh Torr assists during the Electronics Laboratory Event at Vandenberg Air Force Base (AFB), California (CA). Guardian Challenge, the world's premier space and missile competition, is a four-day event hosted annually at Vandenberg AFB