What are vats Fallout 4?

The Vault-Tec Assisted Targeting System, also known as V.A.T.S., was introduced in Fallout 3 as a unique method for eliminating enemies by stopping time and initiating a series of critical hits. … In Fallout 4, V. AT. S. are still used as a means to target specific body parts on an enemy to strategically take them down.