"CONSTELLATION SERVICES INTERNATIONAL AND SPACE SYSTEMS LORAL TEAM ON NASA COTS PROPOSAL USING A U.S. VERSION OF CSI'S LEO EXPRESSSM CARGO SYSTEM" (PDF) (Press release).
"CONSTELLATION SERVICES INTERNATIONAL AND SPACE SYSTEMS LORAL TEAM ON NASA COTS PROPOSAL USING A U.S. VERSION OF CSI'S LEO EXPRESSSM CARGO SYSTEM" Архивировано 26 февраля 2009 года.