The biggest investment proposed by the Growth Deal - a spaceport at Prestwick Airport - fell apart last year. In July last year, Ayrshire's four Labour MPs also called for a new head for the Growth Deal which they said was "languishing". She said: "The Ayrshire Growth Deal, which was allocated £103 million of UK Government funds, has the potential to make a real difference to our economic prospects. Chancellor Rachel Reeves (Image: Justin Tallis/PA Wire)Responding, Chancellor Rachel Reeves confirmed she would work with the MP and Scottish Labour leader Anas Sarwar to progress the deal. She said: "This Labour Government are investing more than £250 million in economic development and regeneration in Ayrshire, including but not limited to the Ayrshire Growth Deal.