ULA Atlas-V Propels MUOS-4 Satellite Into Space, Air Force and Congress Shudder Over Threats to Russian RD-180

A ULA Atlas-V 551 rocket launches the Navy's MUOS-4 satellite to orbit from Cape Canaveral, Fla. Sep. 2, 2015. Photo Credit: John Studwell / AmericaSpace

A ULA Atlas-V 551 rocket launches the Navy’s MUOS-4 satellite to orbit from Cape Canaveral, Fla., on Sept. 2, 2015. Photo Credit: John Studwell / AmericaSpace

A Russian RD-180-powered United Launch Alliance (ULA) Atlas-V 551 rocket successfully launched the 7.5-ton Lockheed Martin/Navy Mobile User Objective System (MUOS 4) satcom into geosynchronous transfer orbit early […]

Brigadier General Wayne Monteith Takes Over as New 45th Space Wing Commander

Lt. Gen. John W. "Jay" Raymond, commander, 14th Air Force (Air Forces Strategic) and Joint Functional Component Command for Space, presents Brig. Gen. Wayne Monteith, 45th Space Wing commander during a change of command ceremony, Aug. 4, 2015, at Patrick Air Force Base, Florida. Changes of command are a military tradition representing the transfer of responsibilities from the presiding officials to the upcoming official. Photo and Caption Credit: U.S. Air Force/Matthew Jurgens (Released)

Lt. Gen. John W. “Jay” Raymond, commander, 14th Air Force (Air Forces Strategic) and Joint Functional Component Command for Space, presents Brig. Gen. Wayne Monteith, 45th Space Wing commander during a change of command ceremony, Aug. 4, 2015, at Patrick Air Force Base, Florida. Changes of command are a military tradition representing the transfer […]

Air Force Weather Satellite’s Breakup Blamed on Wiring Harness Compression in Battery Charge Assembly

DMSP Air Force weather satellite is depicted in polar orbit near Alaska. Photo Credit: Lockheed Martin

DMSP Air Force weather satellite is depicted in polar orbit near Alaska. Image Credit: Lockheed Martin

A U.S. Air Force review into the Feb. 3 loss of Defense Meteorological Satellite Program (DMSP) Flight 13 determined a failure of the spacecraft’s battery charger as the likely cause of the satellite’s failure and structural breakup.

Analysis […]

Atlas V Launch of 70th USAF GPS Commemorates 20th Anniversary of Famed Navigation System

Launch of the GPS IIF - 10 from Playalinda Beach. Photo Credit: Alan Walters/AmericaSpace

Launch of the GPS 2F-10 from Playalinda Beach near Cape Canaveral. Photo Credit: Alan Walters/AmericaSpace

The July 15 launch from Cape Canaveral’s Launch Complex 41 of the Air Force/Boeing GPS 2F-10 navigation spacecraft on a United Launch Alliance Atlas V 401 marks the 20th anniversary of a fully operational GPS constellation.

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New Oxygen Preburner Firings a Major Step Toward Rekindling US Hydrocarbon Rocket Engine Leadership

Sub scale oxygen preburner has begun initial firing tests in Sacramento Calif. as part of the U.S. Air Force Hydrocarbon Boost Technology Demonstrator program. Photo Credit: Aerojet Rocketdyne

Sub scale oxygen preburner has begun initial firing tests in Sacramento, Calif., as part of the U.S. Air Force Hydrocarbon Boost Technology Demonstrator program. Photo Credit: Aerojet Rocketdyne

The U.S. Air Force (USAF) and its rocket engine contractor Aerojet Rocketdyne (AJRD) have achieved a major milestone toward a new U.S. state-of-the-art capability to develop […]

PHOTOS: Atlas-V Delivers Lightsail and Air Force X-37B to Orbit Packed With Cubesats and Experiments

The Air Force AFSPC-5 mission launched into clear blue skies from Cape Canaveral Air Force Station on 20 May. On-board was the secretive X-37B Orbital Test Vehicle (its fourth mission) and a variety of cubists and experiments for the NAVY, NRO, USAF and NASA, including the Lightsail test article from The Planetary Society. Photo Credit: Alan Walters / AmericaSpace

The Air Force AFSPC-5 mission launched into clear blue skies from Cape Canaveral Air Force Station today. Onboard is the secretive X-37B Orbital Test Vehicle (its fourth mission) and a variety of cubists and experiments for the NAVY, NRO, USAF and NASA, including the Lightsail test article from The Planetary Society. Photo Credit: Alan […]

PHOTOS: Atlas-V Ready to Launch AFSPC-5 Mission With X-37B Spaceplane and Lightsail Wednesday

A United Launch Alliance Atlas-V 501 rocket stands tall atop Space Launch Complex-41 at Cape Canaveral AFS on May 19, 2015. The Air Force X-37B OTV-4 spaceplane is onboard, as well as the Planetary Society's Lightsail test article, several small satellites for the NAVY and NRO, and a NASA materials science experiment. Liftoff is scheduled for May 20 between 11:05 a.m. EDT and 1:30 p.m. EDT. Photo Credit: Mike Killian / AmericaSpace

A United Launch Alliance Atlas-V 501 rocket stands tall atop Space Launch Complex-41 at Cape Canaveral AFS on May 19, 2015. The Air Force X-37B OTV-4 spaceplane is onboard, as well as the Planetary Society’s Lightsail test article, several small satellites for the NAVY and NRO, and a NASA materials science experiment. Liftoff is […]

Fourth Atlas-V Spaceplane Launch Heralds X-37B Program Shift As Centaur to Deploy Naval Satellites at Higher Inclination

The X-37B Orbital Test Vehicle (OTV) at Vandenberg Air Force Base after completing 674 days in space. A total of three X-37B missions have been completed, totaling 1,367 days on orbit. OTV-4, launching on the AFSPC-5 mission May 20, is more focused on military spaceplane payload development instead of X-37B flight testing of its […]

The Planetary Society's LightSail to Launch Aboard Atlas-V May 20

From The Planetary Society: “The Planetary Society’s LightSail solar sailing spacecraft is scheduled to ride a SpaceX Falcon Heavy rocket to orbit in 2016 with its parent satellite, Prox-1.” Image Credit: Josh Spradling /The Planetary Society (http://sail.planetary.org/gallery/lightsail.html)

The idea of solar sails carrying satellites and humans into space has been something bandied about for […]

PHOTOS: X-37B Spaceplane and Lightsail Stacked Atop Atlas-V for May 20 AFSPC-5 Launch

The Air Force’s AFSPC-5 payload, encapsulated inside a 5-meter diameter payload fairing, is mated to an Atlas V booster inside the Vertical Integration Facility or VIF at Cape Canaveral Air Force Station’s Space Launch Complex-41. Photo Credit: ULA

The rocket tasked with launching the next mission from Cape Canaveral, Fla., is well into its […]