920th Rescue Wing Airmen place concertina Wire during an all encompassing wing training exercise Feb. 20, 2021 at Avon Park Air Force Range, Florida. Concertina wire is used to form military-style wire obstacles for perimeter and hasty defense postures for defense. The objective of the exercise was to showcase the effectiveness of the 920th RQW to execute agile basing and complete a full-mission spectrum at a moment’s notice at any location around the world. (U.S. Air Force photo by Master Sgt Kelly Goonan)