You may be surprised.
Key Point: Not just aircraft make this list.
Stealth, or the idea of reducing the ability of the enemy to detect a weapon, has been around since the first caveman sewed a pocket into his clothing and hid a rock in it.
Thousands of years later, with the ability to detect objects on the ground, in the air and at sea using electromagnetic radiation, hiding weapons in plain sight has become much harder. The idea of making an aircraft invisible to...
Read this story at The National Interest