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space situational awareness agreement (The purpose of these arrangements is to maintain and share an accurate account for all man-made space objects in order to ensure spaceflight safety for all spacefaring nations  spacenews.com PX_Ranger) | |||
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| space situational awareness agreement (The purpose of these arrangements is to maintain and share an accurate account for all man-made space objects in order to ensure spaceflight safety for all spacefaring nations spacenews.com PX_Ranger) | |||