Starshield means multiple things, or really it is SpaceX business unit with military. Starshield is the name for US military buying Starlink service. It is also SpaceX building Starlink-based satellites for the military. This doesn't have to be communications, the first ones were missile defense trackers.
I think the custom satellites came first and they rebranded the communications after it.
I think the custom satellites came first and they rebranded the communications after it.