On Sat Sun 11th 12th September 2010 there was a special event at the RAF museum, Hendon, to commemorate the 70th anniversary of the Battle of Britain. The museum was linked to Mill Hill Broadway and Colindale stations by genuine wartime buses - RTs 8 113 of 1940 and STL 441 of 1934. RT113 leaves Mill Hill Broadway on the last trip of the day.