The NX-Beta was Earth's second NX prototype test ship, active in the 2140s. Its exterior design shared many similarities with Earth's first warp prototype, the Phoenix.


In the year 2143, the NX-Beta was launched in secret by Commanders Jonathan Archer and A.G. Robinson from a ground-based facility to prove that humanity was capable of building fast warp ships and she was the first Earth ship to attain Warp 2.5, but was destroyed after the warp field collapsed. The test pilots survived after ejecting in an escape pod and were later picked up and returned to Earth. (ENT episode: "First Flight", ST reference: Ships of the Line)


NX prototype starships
Seal of United Earth NX-AlphaNX-BetaNX-Delta United Earth Starfleet emblem

NX-Beta article at Memory Alpha, the wiki for canon Star Trek.