 From 1999 to 2002, in a $1 billion expansion, the Louisville hub was doubled in size (to 4 million square feet), with the hub adapting the name of the expansion project, Worldport.As part of the 2004 purchase of Menlo Worldwide Forwarding, a second expansion was completed in 2006 to expand heavy-freight operations in the UPS systems; similar expansions were added to the largest UPS hubs in the United States.From 2006 to 2010, a third expansion added over 1 million square feet to the Worldport facility (to 5.2 million square feet) and added additional ramp space for aircraft.