Program

TRS II

Payloads: 2
In orbit: 0
Operational (CelesTrak): 0
Re-entered: 2
First launch: 1963-10-17
Latest launch: 1964-07-17

Owners

US Air Force Space Systems Division2

Built by

TRW Inc.2

Payloads in this program

Name	NORAD	Launch date	Status
ERS 12	675	1963-10-17	Re-entered 1966-02-05
ERS 13	838	1964-07-17	Re-entered 1966-01-01

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