Gale Force

AMRAPCap: 30:00
AMRAP in 30 minutes of:
20 Box Step-Ups with a weighted backpack (24/20 in, 50/35 lb)
23 Burpees-Over-Backpack
19 Air Squats*

When 30 minutes have elapsed, complete at least one more set of 19 Air Squats together as a group.