The shuttle crew is ahead of the timeline and has opened the hatch into the Leonardo Multi-Purpose Logistics Module. Leonardo is carrying 7.5 tons of supplies including: two research racks (Fluid Integrated Rack and Materials Science Research Rack), a new station crew quarters, the Minus Eighty-Degree Laboratory Freezer for ISS (MELFI-2), the Air Revitalization System Rack and the COLBERT treadmill.