General Burris (Chief of Infantry TRADOC) referred to IVAS as "First and Foremost a Night Vision Goggle". eMagin supplies the displays for all Enhanced Night Vision Systems...

Integrated Visual Augmentation System
Soldiers at Project Convergence tested the new Integrated Visual Augmentation System, a night vision goggle on steroids that also provides thermal imaging, 3D maps, waypoint overlays and other features.

https://www.nationaldefensemagazine.org/articles/2021/12/17/armys-project-convergence-continues-on-10-year-learning-curve