Program

NRO Tech

Payloads: 4
In orbit: 3
Operational (CelesTrak): 1
Re-entered: 1
First launch: 1998-10-03
Latest launch: 2011-02-06

Owners

National Reconnaissance Office3
NROC/NRL1

Built by

Lockheed Martin Space Systems (Sunnyvale)1
Millenium Space Systems1
Naval Research Lab1
TRW Inc.1

Payloads in this program

Name	NORAD	Launch date	Status
USA 141 (ATEX)	25615	1998-10-03	Not operational
USA 158	26770	2001-05-18	Not operational
USA 193	29651	2006-12-14	Re-entered 2008-02-29
USA 225	37364	2011-02-06	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