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USA 278

Also called NROL 42


Designation 42941 / 17056A
Launch date 24 Sep 2017
Country of origin United States
Mission Military: signal intelligence? Raven?
Perigee/Apogee highly elliptical
Inclination 63°
Period 12 hours
Launch vehicle Atlas 5 #73

Might be in the same series as USA 259

External resources

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