Baker, who disappeared after season 1, reappears in this episode and it is explained he has been the personal driver for a General. This is his last appearance in the show.
Opening blurb: Black Americans constituted about 13 percent of the troops in Vietnam; 28 percent had combat assignments; only 2 percent were officers.
Jackie Stewart, referenced in this episode, is a British racecar driver with a career that spanned the Vietnam War era.