Official name USA 306
Alternative name USA 306
Cospar ID 2020-046B
Norad ID 45874
Launch date 2020-07-15
Launch site WLPIS
Launch vehicle Minotaur-4
Country/Organization USA
Type application Technology ?
Operator NRO
RCS size UNKNOWN
Decay date ON ORBIT
Shape Box + 2 Pan
Mass (kg) 250
Height (m) 2
Width (m) 3
Depth (m) 3
Span (m^2) 10
Contractors ?
Equipment ?
Propulsion ?
Configuration ?

The NROL 129 launch carried four not yet identified payloads for the NRO to be launched on a Minotaur-4 rocket from Wallops Island. The target orbit is not known.

The launch was awarded in late 2017 and was planned for fall 2019, but was delayed to July 2020.

Note: The NROL designations refer to the launch, not to the payload.

Satellite COSPAR Date LS Launch Vehicle Remarks
USA 305 2020-046A 2020-07-15 WLPIS Minotaur-4 with USA 306, 307, 308
USA 306 2020-046B 2020-07-15 WLPIS Minotaur-4 with USA 305, 307, 308
USA 307 2020-046C 2020-07-15 WLPIS Minotaur-4 with USA 305, 306, 308
USA 308 2020-046D 2020-07-15 WLPIS Minotaur-4 with USA 305, 306, 307