Depending on the job, you can use a variety of strokes on military swimming tests.
Attempting the Navy Seal Swim Test
How to do the Combat Swimmer Stroke - Navy Seal Side Stroke
Navy SEALs Swimming Training Video Series: “Like skating on smooth
Breaking Down How to Improve Your Times with the Combat Swimmer
How to Swim the Combat Swimmer Stroke
U.S. Navy SEAL & SWCC Page - U.S. Navy SEAL & SWCC Page
Combat Side Stroke
Side Stroke Swimming: How to & Why Navy SEALs use it
NAVY COMBAT SIDESTROKE GUIDE United states navy seals, Swimming