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Because medical personnel will not always be readily available, soldiers must rely heavily on their

Train like an Army Ranger with the Army Ranger Fitness app. The app is the Ranger Athlete Warrior (R

The ultimate resource for anyone who wants to know how Rangers think and work.Army Rangers specializ

You asked for more calculators and we've added them. Boating Calcs has over 120 boating calculat

Navigation Rules contains a complete copy of the International Regulations for Preventing Collisions

Navigation Rules Pro has everything in our popular Navigation Rules app plus over 100 pages of addit

With over 130 calculations and unit conversions, Pilot Calcs gives you access to quickly and easily

Pilot Handbook App presents the information from the The Pilot's Handbook of Aeronautical Knowle

A wide variety of information about RVs and their systems including diagrams and images to show you

The best survival content from the U.S. Army, U.S. Navy, U.S. Air Force, U.S. Marine and U.S. Coast