The ring that the Prince gives Jamaica is named "The Ruby of Begonia", a play on the quote "Does the name 'Ruby Begonia' strike a familiar note?" from the TV show Amos and Andy.
Capt. Entineile says he is from Doylestown, PA. Kimberlee also mentions she is from there. This is a real town located in Bucks County, PA and about an hour north of Philadelphia. Doylestown in the county seat of Bucks County.