Type 4

Type 4 could refer to:
* Type 4 asteroid, a type of asteroid
* Type 4 deflector shield, a type of deflector shield
* Type 4 micro-inducer, a tool
* Type 4 phaser emitter, a shuttlecraft-mounted phaser emitter
* Type 4 quantum singularity, a spatial distortion
* Type 4 stealth assault, a method of attack
* Type 4 Tallonian microscanner, a type of microscanner
You may also be looking for:
* , another series of classifications