Gizmodo talks about DARPA's effort to come up with more integrated solution for indicidual soldiers. It helps with rifle zeroing and has network capability for better teamwork.
The proof-of-concept demonstration of CWO is discussed in the article.
http://gizmodo.com/what-it-feels-like-to-shoot-the-military-s-experimental-1700448634
https://www.youtube.com/watch?v=LYQX3vUZfyg
From: Gizmodo