Program

USERS

Payloads: 4
In orbit: 2
Operational (CelesTrak): 1
Re-entered: 2
First launch: 2002-09-10
Latest launch: 2010-06-02

Owners

Institute for Unmanned Space Experiment Free Flyer2
USEF/NASDA2

Built by

Mitsubishi Electric Co.3
IHI Aerospace, Ogikubo plant1

Payloads in this program

Name	NORAD	Launch date	Status
USERS SEM	27515	2002-09-10	Re-entered 2007-06-15
USERS REM	27815	2002-09-10	Re-entered 2003-05-29
SERVIS 1	28060	2003-10-30	Not operational
SERVIS 2	36588	2010-06-02	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