Program

TRS I

Payloads: 3
In orbit: 2
Operational (CelesTrak): 0
Re-entered: 1
First launch: 1963-05-09
Latest launch: 1963-07-19

Owners

US Air Force Space Systems Division3

Built by

TRW Inc.3

Payloads in this program

Name	NORAD	Launch date	Status
ERS 5	579	1963-05-09	Re-entered 2011-11-11
ERS 6	608	1963-05-09	-
ERS 9	635	1963-07-19	-

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