Was appointed by the convention of Maryland, 2 January 1776, a sergeant in Captain Nathaniel Ramsey's company, Colonel Smallwood's Maryland battalion; commissioned ensign in Captain Edward Tillard's company of Anne Arundel County militia in the 3rd Maryland battalion of the Flying Camp, July 1776; second lieutenant in Smallwood's battalion, 10 December 1776; first lieutenant, 2nd Maryland regiment, 17 April 1777; promoted to be captain-lieutenant, 1 July 1779; captain in 2nd Maryland regiment, 2 April 1780; taken prisoner at Camden, 16 August 1780 and was prisoner on parole to the close of the Revolutionary War.