The B-2 Spirit stealth bomber has been engineered with low observable technology to reduce its radar and infrared signature, making it hard for the enemy to pick up. It's also acoustically stealthy, as you can tell from this recent B-2 flyby: https://www.youtube.com/watch?v=XbH4D5IW6eA
Author: Chris Clarke
Chris is an active pilot who love cars, airplanes and motorcycles.