Program

Pioneer (Army)

Payloads: 2
In orbit: 1
Operational (CelesTrak): 0
Re-entered: 1
First launch: 1958-12-06
Latest launch: 1959-03-03

Owners

U.S. Army Ballistic Missile Agency2

Built by

Jet Propulsion Lab2

Payloads in this program

Name	NORAD	Launch date	Status
PIONEER 3	111	1958-12-06	Re-entered 1958-12-07
PIONEER 4	113	1959-03-03	-

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