MG Curran explains the improvements to the Aviator Night Vision Imaging Systems (ANVIS), from Type 1 through Type 5. Also covered are improvements to the AN/AVS-7, Heads-Up-Display (HUD) and the fielding of the Advanced AN/AVS-7 Heads-UP-Display (AHUD).

This article is an updated version of an article previously published in Army Aviation magazine, June 2002.