From the NARA's Registers of Enlistments in the United States Army, 1798-1914:
|Source - Fold3|
Sergeant, 3rd U.S. Infantry
December 8, 1808
Captain Joseph Woodruff
...3rd U.S. Infantry Regiment, who has come to Charleston from Rocky Mount with two companies of regulars under Capt. Joseph Woodruff and Lt. Benjamin Herriott....
My 4th great-grandmother was Rebecca Neighbors/Nabors. Related to Nathan? I don't know.