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However, this preliminary observation is not sufficient to precisely determine the asteroid's size, composition, and long-term trajectory, added NASA. Talking about the Earth's key gaps, the summary highlighted, “Decision-making processes and risk tolerance not understood. Limited readiness to quickly implement needed space missions. Timely global coordination of messaging needs attention. Asteroid-impact disaster management plans are not defined.” It is worth noting that this was the first exercise to use data from NASA's DART (Double Asteroid Redirection Test) mission. DART is the first in-space demonstration of a technology for defending the planet against potential asteroid impacts.