Just before Potter and Klinger go out for Potter to paint Klinger, Potter's paint case is shown. Potter must have had it for a while because it says Capt. Sherman Potter.
This is the final episode to tell its story using the frequently employed "Dear Dad" letter-writing format. With this episode, every major character (of the final cast) has penned the episode's title letter home, except Margaret. They include: Hawkeye in "Dear Dad" (1972), "Dear Dad, Again" (1973), and "Dear Dad... Three" (1973). "Pilot" (1972) also begins with Hawkeye writing to his father. Trapper in "Bulletin Board" (1975). Col. Potter in "Dear Mildred" (1975). BJ in "Dear Peggy" (1975). Radar in "Dear Ma" (1975). Maj. Sidney Freedman in "Dear Sigmund" (1976). Charles in "The Winchester Tapes" (1977) (whose "letter" is completed via tape recorder). Father Mulcahy in "Dear Sis" (1978). Klinger, in this episode, "Dear Uncle Abdul" (1979). The format is also used when a North Korean spy posing as Charles' South Korean houseboy writes to his superiors in "Dear Comrade" (1978). Several characters write letters to children in Maine as part of "Letters" (1980).
Father Mulcahy's lyrical phrasing is reminiscent of Rodgers and Hammerstein's "There is nothing like a Dame ".
When Charles shoots the pigeon it catches fire before hitting the landmine.