Polar-Orbiting Environment Watcher Launches Atop Second-to-Last Delta II

After two foiled launch attempts on Tuesday and Wednesday, the second-to-last Delta II took flight at 1:47:36 a.m. PST on Saturday, 18 November. Photo Credit: ULA/Walter Scriptunas III

Today’s crackling growl of a Delta II taking flight is expected to be repeated only once more, before this impeccably reliable launch vehicle retires from operational […]

Second-to-Last Delta II Launch with JPSS-1 Satellite Rescheduled for Saturday

The soon to be extinct Delta-II rocket awaiting launch with the JPSS-1 satellite for NASA and NOAA. Credit: ULA

UPDATED Nov 17: Statement from ULA, “confirmed on the Western Range for Saturday, Nov. 18. The launch time is 1:47 a.m. PT.”

UPDATED Nov 15: Statement from ULA, “scrubbed due to […]

Ten Years of Dawn: A Decade of Operations for Humanity's First Double-Orbiter

This artist’s concept shows NASA’s Dawn spacecraft heading toward the dwarf planet Ceres. Credit: NASA/JPL-Caltech

“I’m ecstatic,” said Sarah Gavit of NASA’s Jet Propulsion Laboratory (JPL) in December 2001, when the space agency announced that the Dawn mission to orbit and explore the dwarf planets Ceres and Vesta—a pair of worlds deep within the […]

Ten Years, 114 Launches: ULA Celebrates Decade Milestone of First Flight

A Delta II booster delivers the NROL-21 payload into orbit, on behalf of the National Reconnaissance Office, on 14 December 2006. This was the first flight conducted under the auspices of United Launch Alliance (ULA) and took place less than two weeks after it entered operation. Photo Credit: U.S. Air Force

Ten years ago, […]

Six Wheels on Martian Regolith: 20 Years Since NASA's Pathfinder Mission Launched to the Red Planet

Three Generations of Rovers

With the deployed petals and airbags of the lander in the foreground, the Sojourner rover can be seen at work in the middle-distance. Photo Credit: NASA

Having alighted on the Red Planet in July 1997, and having been dug out of Martian regolith by Mark Watney as part of his efforts to achieve salvation, […]

All-Round View of the Red Planet: 20 Years Since the Launch of Mars Global Surveyor

Artistic rendering of Mars, made from images taken with NASA’s Mars Global Surveyor spacecraft. Image Credit: Kees Veenenbos/MOLA Science Team/NASA

“And we have liftoff of Mars Global Surveyor, as America begins its journey back to the Red Planet,” came the announcement as a Delta II rocket thundered away from Launch Complex (LC)-17A at Cape […]

Asteroid Visitor, Asteroid Orbiter, Asteroid Lander: 20 Years Since the Launch of NEAR Shoemaker

Asteroid 433 Eros, visited by the Near-Earth Asteroid Rendezvous (NEAR)-Shoemaker during 1998-2001. Photo Credit: NASA

Twenty years ago, today, on 17 February 1996, NASA’s Near-Earth Asteroid Rendezvous (NEAR)—a name later adjusted to honor the planetary scientist Gene Shoemaker—rocketed away from Launch Complex (LC)-17B at Cape Canaveral Air Force Station, Fla., aboard a venerable Delta […]

First Hundred, Next Hundred: ULA Celebrates Centenary, Readies for Challenges Ahead

A ULA Atlas-v rocket thunders skyward from Cape Canaveral AFS with a top-secret payload for the National Reconnaissance Office on April 10 2014. Mission NROL-67. Photo Credit: Alan Walters/AmericaSpace

With the dust having barely settled on the East Coast, following the Oct. 2 pre-dawn liftoff of its 100th mission—carrying Mexico’s Morelos-3 communications satellite from […]

AmericaSpace Imagery Team Capture Rare Launch of Venerable Delta II

With only two more NASA missions ahead of it, in the 2017-18 timeframe, the curtain appears to be falling on the Delta II. Photo Credit: Robert C. Fisher/AmericaSpace

Last Saturday morning, AmericaSpace’s imagery team witnessed a rare pre-dawn liftoff of the highly reliable Delta II booster, carrying the Soil Moisture Active Passive (SMAP) satellite […]

Dazzling Delta II Delivers SMAP to Orbit in Stunning Pre-Dawn Ascent

With the flare of its RS-27A first-stage engine and trio of Solid Rocket Motors (SRMs), the Delta II takes flight at 6:22 a.m. PST Saturday, 31 January. Photo Credit: Mike Killian/AmericaSpace

Continuing a proud heritage of near-perfect mission success, which stretches back across more than a quarter-century, the 153rd Delta II booster broke the […]