USS Essex (NCC-173)

The USS Essex (NCC-173) was a Federation starship. She was a explorer in service to Starfleet in the 22nd century. 

History
In 2167, the Essex was under the command of Captain Bryce Shumar and was based out of Starbase 12. In that year, the Essex was caught in a electromagnetic storm over a moon of Mab-Bu VI and lost with all hands. 

Appearances and references

 * "Power Play" (TNG episode)
 * Last Full Measure (ENT novel)