For lack of a better term: "Political Prisoners."
Examples of political prisoners described in the books.

Rodney Stich, former government agent, former naval aviator, and one of many political prisoners.

Rodney Stich as a navy patrol plane commander in World War II, before he was targeted for exposing an equally great threat to America from within.

Lt. Col. Richard Taus, receiving aid medal for meritorious service during the Vietnam War. Later, as an FBI Special Agent, reporting criminal activities in the CIA, White House, he was silenced by sham charges and is now serving an 80-year sentence at Dannemora state prison in New York.

Canadian Rockies. Click here for many other pictures taken from airplanes by Rodney Stich.

Captain Rodney Stich, Japan Airlines, hard at work.