gt. Sean P. Casaneda, and his band, “550”, perform Lynyrd Skynyrd’s, “Simple Kind of Man” at the Camp Leatherneck, Helmand province, Afghanistan, Fourth of July celebration. Casaneda, a native of Cheyenne, Wyo., is an imagery analyst in the Marine reserve, who recently moved to Hollywood, Calif., before deploying to Afghanistan, where he recorded his first music album. - gt. Sean P. Casaneda, and his band, “550”, perform Lynyrd Skynyrd’s, “Simple Kind of Man” at the Camp Leatherneck, Helmand province, Afghanistan, Fourth of July celebration. Casaneda, a native of Cheyenne, Wyo., is an imagery analyst in the Marine reserve, who recently moved to Hollywood, Calif., before deploying to Afghanistan, where he recorded his first music album.