US Air Force (USAF) personnel assigned to the 90th Space Wing (SW) from F.E. Warren Air Force Base (AFB), Wyoming (WY) take home the award for the best Missile Communications competitors in the Air Force Space Command (AFSPC) during the Closing Ceremony for Exercise GUARDIAN CHALLENGE 2002, at Vandenberg AFB, CA. Guardian Challenge, a four-day space and missile competition, is hosted annually at Vandenberg AFB, CA to test the wartime readiness of Air Force Space Command (AFSPC) professionals