Classified payload makes its way to the pad

Atlas V, in the 421 configuration, makes its way out to the pad for the NROL-61 mission. Photo credit: ULA

Atlas V, in the 421 configuration, makes its way out to the padfor the NROL-61 mission. Photo credit: ULA

United Launch Alliance has transported the Atlas V 421 out to SLC-41 in preparation for Thursday’s launch of the classified NROL-61 mission. You can read more about this mission in my write-up for SpaceFlight Insider.