The Air Force raised some eyebrows on Monday when it announced upcoming changes to its physical training test that would allow airmen to choose their own adventure for demonstrating physical prowess. The new test, which the service will begin to experiment with in January 2022, will allow airmen to choose between running, shuttle run sprints, and walking for the aerobic portion of the test. Shuttle run sprints involve sprinting back and forth between two markers about 25 meters apart. They could then choose between planks and sit-ups for the core strength measure. And for the final portion of the test...