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May 20, 2021 | International, Aerospace

ULA place sur orbite le satellite de défense anti-missile Sbirs-Geo 5

Le 18 mai, United Launch Alliance (ULA) a placé le satellite d'alerte avancée Sbirs-Geo 5 sur orbite de transfert géostationnaire. SBIRS GEO-5,construit par Lockheed Martin, est le 5ème et dernier satellite rejoignant l'OPIR (Overhead persistent infrared), une constellation équipée de puissants capteurs de surveillance. « Ces gardiens orbitaux 24h/24 et 7j/7 détectent les lancements de missiles, soutiennent la défense antimissile balistique, élargissent la collecte de renseignements techniques et renforcent la connaissance de la situation sur le champ de bataille », précise Lockheed Martin. Estimant que le monde est désormais « un endroit menaçant avec plus de 1000 lancements de missiles balistiques chaque année », Tom McCormick, vice-président de la zone de mission OPIR de Lockheed Martin Space, déclare que le système de satellites SBIRS constitue « le fer de lance de la défense antimissile » afin d'assurer la sécurité nationale et celle des forces armées américaines.

Air & Cosmos du 20 mai

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