The two Barrier Arresting Kits (BAK-12) at Andersen Air Force Base, Guam were replaced on Apr. 26. In the new releases on May 3 from the 36th Wing Public Affairs, Master Sgt. Robert Smith from the 36th Civil Engineer Squadron said the BAK-12 was used to catch a E-2, F-15 and F/A-18 during exercise Cope North 21 in February.