Name: NROL-4 (Trumpet 3) — Titan 401A Centaur
Start: 1997-11-08T02:05:01Z
End: 1997-11-08T02:05:01Z
Location: Space Launch Complex 41

Question 1

What rocket is launching NROL-4 (Trumpet 3)?

Accepted Answer

NROL-4 (Trumpet 3) is launching on the Titan 401A Centaur.

Question 2

Who is launching NROL-4 (Trumpet 3)?

Accepted Answer

NROL-4 (Trumpet 3) is being launched by United States Air Force, a government launch provider founded in 1947.

Question 3

Where is NROL-4 (Trumpet 3) launching from?

Accepted Answer

NROL-4 (Trumpet 3) is launching from Space Launch Complex 41 at Cape Canaveral SFS, FL, USA.

Question 4

What orbit is NROL-4 (Trumpet 3) heading to?

Accepted Answer

NROL-4 (Trumpet 3) is heading to Geostationary Orbit (Direct-GEO).

Question 5

Is the Titan 401A Centaur reusable?

Accepted Answer

No — the Titan 401A Centaur is an expendable launch vehicle.

Question 6

How many times has the Titan 401A Centaur flown?

Accepted Answer

The Titan 401A Centaur has launched 9 times to date, with 8 successful flights.

Question 7

What is the NROL-4 (Trumpet 3) mission?

Accepted Answer

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.

Question 8

Where is Cape Canaveral Space Force Station?

Accepted Answer

Cape Canaveral Space Force Station sits on Florida's Atlantic coast, on the Eastern Range run by the U.S. Space Force's Space Launch Delta 45. It is the United States' busiest launch site and has been America's gateway to orbit since the 1950s.

Question 9

Which rockets launch from Cape Canaveral?

Accepted Answer

SpaceX flies Falcon 9 from Space Launch Complex 40, and United Launch Alliance flies the Vulcan Centaur (and the retiring Atlas V) from Space Launch Complex 41.

Question 10

Is Cape Canaveral the same as the Kennedy Space Center?

Accepted Answer

No. Cape Canaveral Space Force Station and NASA's Kennedy Space Center are separate, neighbouring sites — Kennedy is on Merritt Island just to the north. Together they make up Florida's 'Space Coast'.

Question 11

Why do rockets launch from Cape Canaveral?

Accepted Answer

Its pads sit on the Eastern Range, letting rockets fly east out over the Atlantic toward the equatorial and geostationary orbits most commercial and national-security payloads need, away from populated land.

Question 12

Can you watch a launch from Cape Canaveral?

Accepted Answer

Yes — the Space Coast is one of the easiest places in the world to watch a launch from public land. Popular free spots include Playalinda Beach, Space View Park in Titusville, and Jetty Park at Port Canaveral.

NROL-4 (Trumpet 3)

Overview

Mission details

Launch Window

Space Launch Complex 41

Cape Canaveral SFS, FL, USA

Frequently asked questions