RAF Macmerry is a former Royal Air Force station located 4.5 miles (7.2 km) west of Haddington, East Lothian, Scotland and 11.4 miles (18.3 km) east of Edinburgh, Inverness-shire.
It has also been called RNAS Macmerry (when used by the Royal Navy) and un-officially RAF Tranent and RAF Penston during its life.
http://en.wikipedia.org/wiki/RAF_Macmerry