[squilliam]

Less than a year according to the US Army and Microsoft.

>The IVAS Prototype Project seeks to provide a HUD 3.0 and integrated STE Squad capability within the Squad Architecture in support of Army, Marines, and Special Operations Forces within 24 months. The PPA shall deliver a baseline standalone STE Squad capability within 12 months, and STE Squad capability integrated into HUD 3.0 within 24 months. This complete IVAS capability shall be suitable to begin production as early as 4Q20 to ensure clear overmatch in Close Combat engagements and drastically increase Squad Lethality.

[0]https://uploadvr.com/hololens-microsoft-army/