|Stationed:||USS Pendragon (NCC-85000)|
In the days following Admiral James Leyton's takeover on Earth, the Galaxy was assigned as part of the blockade of Sector 001. McConaughy grew increasingly wary of Admiral Leyton's intentions, and when the order came to engage a group of ships fleeing the sector, he sabotaged the Galaxy's phasers and beamed himself and several other dissenting crew members aboard the USS Beachmont.
Promoted to full lieutenant, Nathan fought with the patriot forces aboard the USS Chesapeake. After the war, he remained on the Chesapeake until 2378 he was promoted to lieutenant commander and assigned as operations manager on the USS Dauntless under Captain Timothy Barranco.