Fitted with an array of weapons to enhance her capability, the frigate is capable of near silent running and has a stealth design which significantly reduces its radar signature.

BBC: British frigate runs aground

The F-35 is by far the most advanced Lockheed jet to date, with updated radar, all-internal weapons, improved tracking systems, 360-degree infrared coverage with a visor readout, and a full-stealth design, not to mention the incredibly capable glass cockpit powered by more than 9.3 million lines of software code, and an overall smoother experience for pilots that could end up spending shifts of 12 hours or longer in flight.

ENGADGET: Lockheed Martin F-35 Lightning II stealth fighter cockpit demonstrator hands-on (video)

Why spend years trying to design a stealth bomber, when you can copy the U.S. technology instead?

FORBES: On China And Russia Hacking Into US, "No Hard Feelings"

The drone is a wing-shaped aircraft, like the stealth bomber, a design that is supposed to make it less visible to radar.

WSJ: Iran Says It Shot Down Unmanned U.S. Plane

Some of China's supercomputers have been used to design wings for China's stealth fighter, now in test phase, and to design parts for China's first commercial jet.

WSJ: China's Not-So-Super Computer Program

The Type 056 stealth frigate has a sleek design that helps it evade radar detection, and needs just one-third of the crew used by its predecessor.

BBC: China navy launches new stealth frigate

The B-1B has some stealth features: A smooth design and the use of radar-absorbing materials gave it an appearance on radar that is said to be only 1% of that of the older B-52 bomber, even though it is only a little shorter - at 146 feet (44.5 metres) - and weighs almost the same.

BBC: Profile: B-1 bomber