Bullet Proofing
Bulletproofing is the process of making something capable of stopping a bullet or similar high velocity projectiles e.g. shrapnel. The term bullet resistance is often preferred because few, if any, practical materials provide complete protection against all types of bullets, or multiple hits in the same location.
High Altitude
Terminal High Altitude Area Defense (THAAD), formerly Theater High Altitude Area Defense, is an American anti-ballistic missile defense system designed to shoot down short-, medium-, and intermediate-range ballistic missiles in their terminal phase (descent or reentry) by intercepting with a hit-to-kill approach
Night Vision
Night vision also known as the Enhanced Night Vision Goggle, it seeks to combine thermal imaging with image intensification, as does the Northrop Grumman Fused Multispectral Weapon Sight