USA-169

USA-169

Launch of USA-169
Mission type	Communications
Operator	United States Air Force
COSPAR ID	2003-012A
SATCAT no.	27711
Mission duration	10 Years
Spacecraft properties
Spacecraft type	Milstar
Manufacturer	Lockheed Martin
Launch mass	4500 Kg
Start of mission
Launch date	8 April 2003 13:43 UTC
Rocket	Titan IV (401)B/Centaur-T (B-35/TC-23)
Launch site	Cape Canaveral, SLC-40
Contractor	Lockheed Martin
Orbital parameters
Reference system	Geocentric orbit
Regime	Geosynchronous orbit
Milstar Series ←  USA-164 (Milstar-2 3)

USA-169 (also known as Milstar-2 4) is an American Communications satellite which was operated by the United States Air Force. Launched in April 2003, it is the last Milstar-2 communications satellite. ^{[1] [2]}

Overview

Artist's impression of a Milstar spacecraft

Milstar-2 is a Communications satellite which provided tactical communication services to US Armed Force replaced the Milstar-1 ^[3] satellite and Advanced Extremely High Frequency (AEHF) ^[4] is the Successor of Milstar-2 Satellites. ^{[5] [6] [7] [8] [9]}

See also

• List of USA satellites

References

• Spaceflight portal

1. "Milstar-2 1, 2, 3, 4 (Milstar 3, 4, 5, 6)". Gunter's Space Page. Retrieved 18 October 2025.
2. "Milstar DFS-6 | Titan IV(401)B | Next Spaceflight". nextspaceflight.com. Retrieved 18 October 2025.
3. "Milstar-1 1, 2 (Milstar 1, 2)". Gunter's Space Page. Retrieved 19 October 2025.
4. "AEHF 1, 2, 3, 4, 5, 6". Gunter's Space Page. Retrieved 19 October 2025.
5. "Milstar Satellite Communications System". United States Space Force. Archived from the original on 7 August 2025. Retrieved 19 October 2025.
6. "Milstar Satellite Communications System". Space Operations Command (SpOC). Archived from the original on 16 July 2025. Retrieved 19 October 2025.
7. "Milstar Payloads". Northrop Grumman. Retrieved 19 October 2025.
8. "Milstar Satellite Communications System". Air & Space Forces Magazine. Retrieved 19 October 2025.
9. "Milstar". www.astronautix.com. Retrieved 19 October 2025.