Question 1

What rocket is launching AEHF-4?

Accepted Answer

AEHF-4 is launching on the Atlas V 551.

Question 2

Who is launching AEHF-4?

Accepted Answer

AEHF-4 is being launched by United Launch Alliance, a commercial launch provider founded in 2006.

Question 3

Where is AEHF-4 launching from?

Accepted Answer

AEHF-4 is launching from Space Launch Complex 41 at Cape Canaveral SFS, FL, USA.

Question 4

What orbit is AEHF-4 heading to?

Accepted Answer

AEHF-4 is heading to Geostationary Transfer Orbit (GTO).

Question 5

Is the Atlas V 551 reusable?

Accepted Answer

No — the Atlas V 551 is an expendable launch vehicle.

Question 6

How many times has the Atlas V 551 flown?

Accepted Answer

The Atlas V 551 has launched 23 times to date, with 23 successful flights.

Question 7

What is the AEHF-4 mission?

Accepted Answer

This is the fourth satellite in the Advanced Extremely High Frequency (AEHF) system, which is a series of communications satellites operated by the United States Air Force Space Command. It provides global, survivable, protected communications capabilities for strategic command and tactical warfighters operating on ground, sea and air platforms.

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.

AEHF-4

Overview

Mission details

Launch Window

Space Launch Complex 41

Cape Canaveral SFS, FL, USA

Frequently asked questions