USS Prometheus

In Message in a Bottle(VOY), the Prometheus Class USS Prometheus(NX-59650), which was hijacked by Romulans, initiated MVAM against a Federation starship. Later, the Doctor from the USS Voyager disabled the Romulans by releasing a sedative gas into the venting system, allowing him to take control. And with the help of the Prometheus EMH, the ship again initiated MVAM and defeated the Romulan ships sent to intersept the vessel.

Excalibur II Class(explorer/battleship)

After the Borg attacked the Alpha Quadrant, Starfleet improved the original Excalibur plans and gave the Excalibur II class the ability to use MVAM.

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