The future of battle in multi-domain operations "will depend less on discrete warfighting platforms and more on the networks, data and IT infrastructure that binds them all together," acting Secretary Matt Donovan said.

Some agencies have delayed their move to EIS, saying they're hesitant to do so until TIC 3.0 final policy is issued.

"I think probably the most important thing you can expect from the Army is a clear-eyed and sober dialogue with you and in collaboration on the 'how,'" Bruce Crawford said.