1) GI maneuvers 2) Army exercises 3) Boot camp busyness 4) Boot-camp exercises 5) Borers 6) Boring hand tools 7) Boring implements 8) Boring things 9) Camp activity 10) Exercises 11) Exercises for dentists 12) Fire safety activities 13) Marching practices 14) Much of boot camp 15) Not real emergencies Found on https://www.crosswordclues.com/clue/drills