Day 1: 51 teams of Army Rangers begin the 3 days and nights of intense competition.
Day 2: 24 hours in, only 28 teams remain to battle it out for the lead spot.
Day 3: The surviving 16 teams face grueling obstacles to determine America's Top Ranger.
Fifty-one teams of warfighters embark on a brutal first 24 hours of action.
The surviving 38 teams endure 18 grueling hours of battlefield competition.
The final 16 teams fight for the title of America's Top Ranger.