Research:
Sonic Reverberation Experimentation

"... sound reverberation in ga z eous environment..."

As an aside -
The research doesn't actually seem to do anything. A completely empty "filler" tech. If there is something that it does, it's not shown anywhere.
Ixnay that - new device. Didn't ...

Limited to about an hour tinkering with it -

1. group selection
There seems to be no mechanism to group units so they act as an army - or for military units to act as escorts for a pansy former or colony thingy. I can't see any way of ordering the group to attack, which is any different from ...