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 […]

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 […]

ULA Prepares to Launch Fourth GPS Satellite of 2014

Artist’s impression of a Block IIF GPS satellite in orbit. Image Credit: U.S. Air Force

Adding to an already impressive tally of accolades, United Launch Alliance (ULA) is ready to stage its 12th flight of the year, delivering the Global Positioning System (GPS) IIF-8 satellite into a medium orbit, some 11,047 nautical miles (20,460 […]

Atlas V Successfully Launches Third GPS Satellite of 2014

Stunning perspective of the Atlas V launch, carrying the Global Positioning System (GPS) IIF-7 satellite into orbit. Photo Credit: John Studwell/AmericaSpace

In stark contrast to the primarily weather-related delays which plagued its predecessor, the Air Force Space Command (AFSPC)-4 mission, United Launch Alliance (ULA) scored an impressive, on-time liftoff of its ninth flight of […]

ULA Prepares to Launch Second Mission Within One Week ... For Third Time in 2014

The seventh Global Positioning System (GPS) Block IIF satellite, encapsulated within its payload fairing, is presently scheduled to rocket into orbit Friday night. Photo Credit: ULA

With eight successful launches under its belt so far in 2014, United Launch Alliance (ULA) is set to attempt a ninth on Friday, 1 August, with the flight […]

Despite Poor Weather Forecast, ULA Shoots for Thursday Delta IV Launch Attempt of GPS IIF-6

Artist’s impression of a Block IIF GPS satellite in orbit. Image Credit: U.S. Air Force

For the second time in 2014, United Launch Alliance (ULA) is primed to fly its venerable Delta IV on a mission to deliver another member of the Global Positioning System (GPS) IIF “constellation” of satellites into a medium orbit, […]

Workhorse Delta IV Returns to Flight With Rousing Nighttime Launch of GPS IIF-5 Satellite

The 25th Delta IV mission lights up the Florida sky with the GPS IIF-5 satellite. Photo Credit: John Studwell

Four months later than planned, United Launch Alliance (ULA) successfully returned its workhorse Delta IV vehicle to operational service yesterday (Thursday, 20 February), with the rousing 8:59 p.m. EST liftoff of a key mission to […]

After Four-Month Delay, 25th Delta IV Primed for Thursday Launch of GPS IIF-5 Satellite

A Delta IV Medium+ 4,2 vehicle—with a 13-foot (four-meter) payload fairing and two Graphite Epoxy Motors (GEM)-60s—roars toward orbit with GPS IIF-3 in October 2012. Photo Credit: Mike Killian / Zero-G News

Four months later than planned, United Launch Alliance (ULA) is ready to fly its venerable Delta IV for the 25th time on […]

Launch Viewing Guide: ULA Atlas V Rocket With MUOS-2 Satellite

Photo Credit: John Studwell / AmericaSpace

CAPE CANAVERAL, Fla — United Launch Alliance (ULA) is preparing to launch an Atlas V 551 rocket with the U.S. Navy’s Mobile User Objective System 2 (MUOS-2) satellite from Cape Canaveral Air Force Station’s Space Launch Complex 41 (SLC-41) in Florida. Liftoff is currently set to take place July 19 at […]

ISRO Successfully Launches Navigation Satellite Hours Before Russian Proton Disaster

Video courtesy of ISRO

Within less than 24 hours, one space agency successfully launched a rocket with its spacecraft, as another suffered a spectacular failure. On July 1, 2013, at 2:11 p.m. EDT (11:41 p.m. local time ), an Indian Polar Satellite Launch Vehicle, or “PSLV,” launched the first […]