Ok, so I can look and see what Orion supposedly provides comms for, but I also see that Newport News has talk groups listed. Why are they still using the other system listed on the newport news page?
The talkgroups that are listed under the Orion system were allocated for interoperability purposes and to accommodate Newport News if their primary system were to fail or if they choose to permanently move all their comms to Orion (like VA Beach did). For the time being, they continue to maintain their Motroloa Type II analog system, and most likely will until its service life expires.
The Orion page is accurate. Newport News comms on the system would probably be rare, if not non-existent. Listen to their Type II system if you want to hear them.