This class allows a SAX application to encapsulate information about an input source in a single object, which may include a public identifier, a system identifier, a byte stream (possibly with a specified encoding), and/or a character stream.
Strategic Air Command (SAC) initially had units assigned to Minot AFB in 1958 for air refueling support. The 4136th Strategic Wing was formed 1 September 1958, consisting of the 906th Air Refueling Squadron, followed by the 4136th Combat Defense Squadron that was activated on 1 June 1959.
Perrin Field was designated a permanent United States Air Force installation on July 17, 1952, and officially changed to Perrin Air Force Base. In September 1952, Perrin was transferred to Crew Training Air Force and its mission changed to training aircrews for combat.