Program

SDS

Payloads: 6
In orbit: 4
Operational (CelesTrak): 0
Re-entered: 2
First launch: 1976-06-02
Latest launch: 1985-02-08

Owners

NRO/SAFSP6

Built by

Hughes Space and Comms. Co (Hughes Satellite Systems)6

Payloads in this program

Name	NORAD	Launch date	Status
OPS 7837	8871	1976-06-02	-
OPS 7940	9270	1976-08-06	Re-entered 2020-04-18
OPS 7310	10993	1978-08-05	Re-entered 2001-02-08
OPS 5805	12093	1980-12-13	-
USA 4	15226	1984-08-28	-
USA 9	15546	1985-02-08	-

From GCAT by Jonathan McDowell (CC BY 4.0). Roles are counted from the catalogue itself, not from GCAT type labels, which GCAT describes as patchy. About this source