If you find yourself tied and thrown under water, retired SEAL Clint Emerson has some tips to survive. Emerson is the author of 100 Deadly Skills. (Daniel Woolfolk and Alan Lessig/Staff)

Skill 88: Survive a drowning attempt

If you find yourself tied and thrown under water, retired SEAL Clint Emerson has some tips to survive. Emerson is the author of 100 Deadly Skills. (Daniel Woolfolk and Alan Lessig/Staff)