Original sentence: He has served as consultant and appeared on screen as an expert commentator for The History Channel and PBS documentaries, including "Butch Cassidy and the Sundance Kid" for PBS's The American Experience.He served in the United States Marine Corps, including deployment to Vietnam for 13 months.In 1975, he moved to Colorado, where he writes books, contributes to national publications such as American Heritage, America's Civil War, True West, and Western Horseman, and teaches school.Thom Hatch is an award-winning American author and novelist who specializes in the history of the American West, the American Civil War, and the Plains Indian Wars
Edited sentence: He has served as consultant and appeared on screen as an expert commentator for History Channel and PBS documentaries, including "Butch Cassidy and the Sundance Kid" for PBS's The American Experience.He honorably served in the United States Marine Corps, including deployment to Vietnam for 13 months.In 1975, he moved to Colorado, where he writes books, contributes to national publications such as American Heritage, America's Civil War, True West, and Western Horseman, as well as teaches school.Thom Hatch is an award-winning, popular American author and novelist who specializes in the history of the American West, the American Civil War, and the Plains Indian Wars