LNER Class A4, 60009 (4488) 'Union of South Africa'. The fabulous Sir Nigel Gresley designed, LNER Class A4 Pacific steam locomotive number 60009 (British Railways number, LNER 4488) 'Union of South Africa' inside the Great Hall at the National Railway Museum in York (UK). 60009 is alongside the other 5 remaining Class A4's at York for second and final 'The Great Gathering' for Mallard 75. A celebration of the 75th anniversary of 4468 Mallard's steam locomotive record breaking run of 126mph in 1938. A record that still stands today.