From Nellis Air Force Base, Nevada, MSgt Mike Skaggs gives us a hardcore workout with an emphasis on core and upper body strength.

MSgt Mike Skaggs gives a heart-thumping, hardcore, full body calisthenics workout at Nellis Air Force Base, Nevada. No equipment needed.

MSgt Mike Skaggs brings out the TRX for a challenging, invigoration full body workout at Nellis Air Force Base, Nevada - home of the U.S. Air Force Thunderbirds.

Get ready for a heart-pumping, 30-minute full body workout with certified fitness instructor Missy Cornish from Kadena Air Base in Okinawa, Japan.

Missy Cornish, a certified fitness instructor at Kadena Air Base in Okinawa, Japan, works the legs, buns and abs. Grab your hand weights and Swiss ball for a lower body workout.

Certified fitness instructor Missy Cornish gives us a fun, full body workout from the Risner Fitness Center on Kadena Air Base, Okinawa, Japan. You don't need any equipment, just determination and motivation!

MSgt Mike Skaggs gives a full body resistance training workout using TRX. U.S. Air Force Thunderbird F-16 fighter jets serve as the backdrop for this intense workout.

MSgt Mike Skaggs targets chest & back muscles to give more power, velocity and accuracy to your strength training routine. Plus, we have tips on eating healthy and ways to keep your feet in good condition in "Train Smart Stay Strong."

It's a full body strength training workout with SSG Ken Weichert. Are you up for the challenge? Plus, we have tips on eating healthy when TDY and ways to rehab a torn hamstring in "Train Smart Stay Strong."

MSgt Mike Skaggs focuses on upper body strength training in the weight room. Plus, we have information on proper calorie intake and the proper time to take protein supplements in "Train Smart Stay Strong."