China

American warships and bases in the Pacific are within reach of an increasingly worrying threat, a missile force unlike anything the US has faced in combat.

China's ever-expanding Rocket Force is armed with thousands of missiles with ominous nicknames such as "carrier killers" and the "Guam Express."

The US claims China stole American tech to make a copycat of the F-22 Raptor, known as the J-20 Mighty Dragon. We compare the stealth, accuracy, and radar technology of the two fighter jets.