Ko USA-193, e mōhiotia ana hoki ko NRO launch 21 (NROL-21 or simply L-21), he amiorangi hōia o te United States i whakarewahia i te 14 o Hakihea 2006. Ko te whakarewatanga tuatahi i whakahaerehia e te United Launch Alliance. He mea na te National Reconnaissance Office (NRO), ko te mahi tika me te kaupapa o te mahi i whakariteritehia. Pātai: I te wa i whakarewahia ai a USA-193?
14 o Hakihea 2006