US Air Force STAFF Sergeant Darrell McDonald, 31st Civil Engineer Squadron, 31st Fighter Wing, Aviano Air Base, Italy, cinches down the outer weather covering for a communications tent. The Civil Engineer team is one of several that are getting assets in place in support of Exercise IRON CLAW, at Kuchyna Air Base, Slovakia. The exercise will allow the 510th Fighter Squadron (not shown) to test a new scoring system on the bombing range. About 250 Air Force personnel from Aviano Air Base, Italy, are participating in the exercise