Summary and Key Points: The RAH-66 Comanche was the U.S. Army's ambitious attempt to create a stealth attack helicopter, designed to replace the OH-58 Kiowa and provide undetected reconnaissance ...

However, stealth helicopters are still being explored, as seen with the U.S. Army's RAH-66 Comanche program, which spent $7 billion developing a low-observable scout helicopter before it was ...