The role of Sgt. Vayro was played by Dan Lauria, who is best known for his role as Jack Arnold on The Wonder Years. In an interesting parallel to this guest appearance, Dan actually is a veteran of the Vietnam War, having served as a Captain (O-3) of the United States Marine Corps from 1970 to 1973.
On 30 January 2015, JPAC was officially deactivated by the Department of Defense due to a series of embarrassing scandals and damning revelations in reports and testimony before Congress starting in 2013 concerning failures in the effort to identify missing war dead.