Stealth Boy mark II prototype
The Stealth Boy mark II prototype is a world object in Fallout: New Vegas.
The Stealth Boy mark II prototype is an enhanced Stealth Boy, put through testing by the Enclave during the Great War. According to Doctor Henry, its purpose was to use half the power and therefore last twice as long.
- The Stealth Boy mark II prototype cannot be acquired in the game itself. Not even by killing Lily while she is wearing it.