Expedition 39 flight engineer and NASA astronaut Steve Swanson installed Veggie in the Columbus module May 7 in an Expedite the Processing of Experiments to the Space Station (EXPRESS) rack. Wearing sunglasses, Swanson activated the red, blue and green LED lights inside Veggie on ' red romaine lettuce seeds, were inserted into the chamber. The pillows received about 100 milliliters of water each to initiate plant growth. The clear, pleated bellows surrounding Veggie were expanded and attached to the top of the unit.