Sept. 24, 2020 18 SPCS now predicts debris-on-debris collisions in space, enhancing Space Domain Awareness for all For the first time, the Combined Force Space Component Command’s 18th Space Control Squadron began publically sharing data for debris-on-debris conjunction predictions via www.Space-Track.org, Sept. 24. Previously, the 18 SPCS only released debris-on-active satellite conjunction prediction data