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NROL-4

Titan 401A Centaur

United States Air Force

Launch Status
Success

Mission

NROL-4 (Trumpet 3)

Type: Government/Top Secret

Trumpet signal intelligence satellites were launched by Titan-4(01)A Centaur-T into highly elliptic Molniya-type orbits. In their elliptical orbits they would move very slowly over the northern hemisphere for most of their orbital period, allowing interception of microwave line-of-sight communications beams. Since they would move slowly through the beams during their orbit, a constellation of such satellites was required to monitor Soviet communications throughout the day.

Mission patch for NROL-4 (Trumpet 3)

Location

Space Launch Complex 41

Cape Canaveral, FL, USA

865 rockets have launched from Cape Canaveral, FL, USA.

Space Launch Complex 41, Cape Canaveral, FL, USA

Rocket

Titan 401A Centaur – Lockheed Martin

Family: Titan
Length: 63.1 m
Diameter: 3.05 m
Launch Mass: 868 T
Low Earth Orbit Capacity: 21680 kg

The Titan 401A Centaur was manufactured by Lockheed Martin with the first launch on 1994-02-07. Titan 401A Centaur has 8 successful launches and 1 failed launches with a total of 9 launches. Titan IV was a family of heavy-lift space launch vehicles developed by Martin Marietta and operated by the United States Air Force from 1989 to 2005.

Agency

United States Air Force

Type: Government
Abbreviation: USAF

Country: USA

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