USA-193, nke a makwaara dị ka NRO launch 21 (NROL-21 ma ọ bụ naanị L-21), bụ satellite nke ndị agha US (foto radar) malitere na 14 Disemba 2006. Ọ bụ nke mbụ nke United Launch Alliance.
14 Disemba 2006