(03/29/2001) -- Workers in the Space Station Processing Facility look at the hatch on Multi-Purpose Logistics Module Leonardo. The MPLM has just returned from its maiden voyage to the International Space Station aboard Discovery on mission STS-102. Leonardo is one of three MPLMs built by the Italian Space Agency to serve as “cargo vans” to the Station, carrying supplies and equipment. In the SSPF, Leonardo will be prepared for a future mission