SR-71 Throttle Quadrant Note: This item is currently in storage. This throttle quadrant from a Lockheed SR-71 was presented by maintenance personnel to the donor when he left the SR-71 program. Donated by Maj. Gen. (Ret.) Patrick J. Halloran. Click here to return to the Featured Accessions index. Find Out More Related Fact Sheets Lockheed SR-71A Note: The appearance of hyperlinks does not constitute endorsement by the National Museum of the USAF, the U.S. Air Force, or the Department of Defense, of the external website, or the information, products or services contained therein.