The Director for this episode is Hy Averback. In the late 40's he was the radio announcer for Bob Hope on his show.
The voice on the radio identifies herself as "Seoul city Sue".
There really was a Seoul city Sue who read out announcements for the North Korean Propaganda on radio during the Korean War.
Sue (real name - Anna Wallis Suh) was an American who lived and worked in China and Korea, and married a Korean before the second world war.
Trapper's middle name is revealed to be Xavier.
A voice on the radio (radio station, not communication) says, "It's been the Bob Hope show, with ... and yours truly Hy Averback." Hy Averback is the director.
This is the second time a latrine was bombed with Henry in it.