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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SALVO Cubesat Rocket Debuts Stealth Launch Vehicle Era

Artist concept depicts SALVO Cubesat launcher on belly of F-15. The liquid oxygen/kerosene powered rocket may already have begun secret launches off Cape Canaveral. Image Credit: DARPA

Artist concept depicts SALVO Cubesat launcher on belly of F-15. The liquid oxygen/kerosene powered rocket may already have begun secret launches off Cape Canaveral. Image Credit: DARPA

The Defense Advanced Research Projects Agency (DARPA) and the U.S. Air Force are poised to begin the Cape Canaveral launch of Cubesats on a new advanced technology […]

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 […]

Next Air Force X-37B Flight To Launch May 20 Carrying NASA Materials Science Experiment

Recovery crew members process the X-37B Orbital Test Vehicle 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. The X-37B will be equipped with a NASA materials exposure experiment with nearly 100 samples focusing on polymers, composites, and […]

First GPS III Satellite Fully Integrated, Being Readied for Testing

An artist’s rendering of Lockheed Martin’s GPS III satellite in operation. Image Credit: Lockheed Martin

The development of the most advanced Global Positioning System (GPS) satellite ever built reached an important milestone within the last month. Lockheed Martin announced that the system module of its first next-generation GPS III satellite (Space Vehicle One, or […]

US Warns China to Halt ASAT Threats as Defense Dept. Reorganizes for Improved Space Warfare Capability

China’s first solid propellant launcher, the Long March-11 rocket, is a likely ASAT booster. Photo Credit: CALT

Significant changes are underway in U.S. military space operations due to the growing threat from Chinese anti-satellite (ASAT) weapons and the exponential growth in lightsats and CubeSats that threaten to “darken the sky,” consuming huge bandwidth while […]

Fourth ULA Launch in Three Months Boosts Latest GPS Block IIF to Medium Earth Orbit

Rising into a gloomy ball of low-lying fog, the first Delta-IV of 2015 took flight at 2:36 p.m. EDT Wednesday, 25 March, delivering the ninth Global Positioning System (GPS) Block IIF satellite into orbit. Photo Credit: Mike Killian / AmericaSpace

United Launch Alliance (ULA)—the Centennial, Colo.-based launch services operator of Atlas V, Delta IV […]

First Delta IV of 2015 to Deliver GPS IIF-9 Satellite to Orbit on Wednesday

A Delta IV Medium+ (4,2) booster launches the GPS IIF-6 mission in May 2014. A similar vehicle will deliver GPS IIF-9, later this week. Photo Credit: Alan Walters/AmericaSpace

After three successful flights in as many months—the Mobile User Objective System (MUOS)-3 and Soil Moisture Active Passive (SMAP) satellites, both in January, and most recently […]

Air Force Weather Satellite Space Debris Hazard a Concern

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

The U.S. Strategic Command’s Joint Space Operations Center (JSpOC) at Vandenberg AFB, Calif., is monitoring a cloud of new space debris in polar orbit to notify operational satellite controllers about potential collision hazards for critical military and civilian […]