Camp David through the use of publicly accessible satellite images. On July 2, 2011, an F-15 intercepted a small two-seat passenger plane flying near Camp David, when President Obama was in the residence. The civilian aircraft, which was out of radio communication, was intercepted approximately from the presidential retreat. The F-15 escorted the aircraft out of the area, and it landed in nearby Hagerstown, Maryland, without incident. The civilian plane's occupants were flying between two Maryland towns and were released without charge. On July 10, 2011, an F-15 intercepted another small two-seat passenger plane flying near Camp David when Obama was again
China Camp State Park her assistant, an agreement was reached under which China Camp State Park would be jointly funded by the state parks department and the Marin State Park Association, which would also operate the park. Similar agreements were reached for two other Marin County state parks, Olompali State Historic Park and Tomales Bay State Park. A revised agreement in 2013 returned operation of Olompali and Tomales Bay parks to the state, while the nonprofit organization Friends of China Camp continues to operate China Camp State Park, with no funding from the state. Frank Quan died August 2016, at age 90, while still