William Littlefield first entered service in Jul 1776, in the SC Militia under Capt. William Plummer and Col. John Thomas and served 6 weeks on the frontier against the Cherokee, marching to Prince’s Fort and up to the mountains. In Oct 1776 he returned to service under Capt. William Plummer, and marched to the protection of "Earle's Fort," and was stationed at this Fort, where he served a tour of one month. He next entered service in 1778 for a term of 2 months under Capt. Thomas Blassingam and Col. John Thomas, and marched to GA for protection against the Creek Indians, joining a Regiment of GA troops under Col. Benjamin Few, marching to the Oconee River and back to Fort Phillips. In Apr 1781 he was drafted for a 2 month tour under Capt. George Roebuck and Col. Benjamin Roebuck, and marched to Orangeburg and the Edisto River, against the British and Tories, and joined Regiments commanded by Colonels Fair, Hammond and Beard.