Program

ORION1

Payloads: 4
In orbit: 4
Operational (CelesTrak): 1
Re-entered: 0
First launch: 1985-01-24
Latest launch: 1998-05-09

Owners

NRO/SAFSP2
NROC/CIA1
NROC/NSA1

Built by

TRW Inc.2
Unknown US manufacturer (classified satellite)2

Payloads in this program

Name	NORAD	Launch date	Status
USA 8	15543	1985-01-24	-
USA 48	20355	1989-11-23	-
USA 110	23567	1995-05-14	Not operational
USA 139	25336	1998-05-09	Operational

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