This is the first appearance of Paul Burke, who would appear in a later season one episode End Of The Line, and became the lead character in seasons two and three.
This was the first episode of the series.
Joe Gallagher tells General Savage that he has already lost two brothers in the war and that he is "the last shining hope in a military family." However, in Season 2 when Gallagher takes over the 918th, Episode 5 "Big Brother" has him encounter his older brother who commands a base in North Africa.