| Consiglio dell’unione Europea http://www.ue.eu.int |
| Parlamento Europeo http://www.europarl.eu.int/default.htm |
| European Space Policy http://www.europa.eu.int |
| European Space Agency http://www.esa.int |
| European Institute for World and Space Affairs http://www.eiwa.it |
| Airport Council International Europe http://www.aci-europe.org |
| The Royal Air Force http://www.raf.mod.uk |
| British National Space Centre http://www.bnsc.gov.uk |
| Nazioni Unite |
| NATO |
| NASA |
| US Air Force |
| Defence Advanced Research projects Agency |
| Defence Information Sustems Agency |
| US Missile Defense Agency |
| National Security Agency |
| Central Intelligence Agency |