This episode explains how, after stepping on a mine in Vietnam, Joe Dawson lost his legs and how, while recovering in a field hospital, he was recruited into The Watchers by Ian Bancroft.
The pistol Cord is carrying is a Beretta 84, .380 ACP. Charlie DeSalvo has a Colt 1911 .45 ACP, and Mara has a Beretta 92FS.