--Rockerwikirick (talk) 08:11, 8 January 2012 (UTC)in the article " the taking of pelham 123 " 1974 film, the pop culture section refers to the tv show " the unit ", wherein the operators call each other by colors. they have the callsigns of "snake doctor, dirt diver, whiplash, etc. Rockerwikirick (talk) 08:11, 8 January 2012 (UTC)wikirockerrick 8 jan 2012 Rockerwikirick (talk) 08:11, 8 January 2012 (UTC)]]