サラトガの戦い
Roberts enlisted for six weeks with Captain Samuel Taylor's company and marched to Fort Miller, New York, during the Siege of Fort Ticonderoga (1777). Roberts joined Captain Ebenezer Allen's company of Colonel Herrick's battalion of rangers following the Battle of Bennington. Roberts became an assistant to Colonel Herrick through the Battles of Saratoga; because Allen was unable to offer him compensation.