Showing posts with label Delta IV-Heavy. Show all posts
Showing posts with label Delta IV-Heavy. Show all posts

Friday, December 05, 2014

NASA Orion begins new era of crewed space exploration

CAPE CANAVERAL, Fla. -- The future of America's manned space program received a boost on Friday with the successful lift-off of NASA's Orion spacecraft on its first orbital test flight.
Orion craft launches on test flight. (NASA)

Destined to carry four astronauts to an asteroid and the Moon during the next decade, the Lockheed Martin-built Orion spacecraft was uncrewed as NASA aims to learn how it will perform both in space and during it's return home.

"It's the beginning of exploration It's the beginning of putting Orion in space," exclaimed NASA Orion Program Manager Mark Geyer. "On a flight test like this if there are subtleties in how the vehicle behaves with the environments, my hope is that we find that on this test flight."

The launch occurred a few minutes after sunrise and one day late following an attempt to get the Delta IV off the ground. Problem plagued fuel valves, winds and a stray civilian boat forced launch control to scrub on Thursday.

Thousands of spectators returned to the beaches and causeways around Cape Canaveral early Friday, many who camped for three days just to secure a good place. "We arrived at our hotel on Cocoa Beach a few days ago just so that we could watch the launch," said Jennifer Hyatt of East Lancing, Michigan. "The lift-off this morning was incredible with the rumble and smoke column."

The prelaunch activities happened during the predawn hours as the United Launch Alliance launch team and the Air Force fueled the Delta IV rocket and brought the Orion spacecraft to life. The trouble free countdown neared its end as the first rays of the Sun broke above the Atlantic horizon and bathed the 250-foot tall rocket.

Thursday, January 20, 2011

Massive Delta IV rocket launches from California

Boeing-built Delta IV-Heavy launches today. (VAFB)

A secret military defense satellite for the United States headed into space today aboard the most massive rocket ever launched from the California coast.

The United States' National Reconnaissance Office L-49 satellite is one of the largest payloads to be placed into a polar orbit around earth, and will serve as both an early warning platform for incoming foreign threats and to observe known hostile regions.

This flight marked the first space shot of the new year for the United States and the second worldwide.

A United Launch Alliance Delta IV-Heavy rocket's three liquid-fueled rocket boosters ignited to carry aloft the NROL-49 from launch pad SLC-6 at Vandenberg, AFB, at 4:10:30 pm EST (1:10 pm local) this afternoon.

This fifth flight of a Delta IV-Heavy lifted-off from the south base's space launch complex 6, the same pad which was primed in the mid-1980's for the military's space shuttle launches.

Four previous Delta IV-Heavy's have launched from Cape Canaveral Air Force Station since January 2004.

The countdown got underway at 10:38 am EDT, at the T-5 hour, 15 minute point. A slight two minute delay later occurred during the counts only hold to avoid space junk orbiting earth.

A half-hour later, the launch team began fueling the liquid oxygen tanks of the common booster core. Just over an hour later, the liquid hydrogen fueling started.

The 236-foot tall rocket features three common booster cores with a single engine, each delivering nearly 745,000 pounds of thrust at launch or 2,234,000 pounds combined.

Launch began at T-4 seconds when the three RS-68 engines ignited and throttled to full thrust.

Once the Delta rose into the blue midday sky, the launch became visible around the Los Angeles region to the south as the vehicle darted south and out over the Pacific Ocean.

Just over six minutes into the launch, the twin booster cores emptied their fuel and was jettisoned as the rocket flew nearly parallel with Baja California.

The exact deployment time of the payload will not be disclosed, according to the 30th Space Wing at Vandenberg.

The next Delta IV-H is on the table to
fly from Cape Canaveral in December, however two medium size Delta IV's will launch beginning this spring also from the Cape.

Wednesday, January 12, 2011

Classified military satellite nears California launch

A secret military defense satellite for the United States will head into space on Thursday aboard the most massive rocket ever launched from the California coast.

The United States' National Reconnaissance Office L-49 satellite is one of the largest payloads to be placed into a polar orbit around earth, and will serve as both an early warning platform for incoming foreign threats and to observe known hostile regions.

This flight will also mark the first space shot of the new year for the United States.

A United Launch Alliance Delta IV-Heavy rocket uses three liquid-fueled rocket boosters at launch, and will carry aloft the NROL-49 from launch pad SLC-6 at Vandenberg, AFB, on January 20 at 4:08:05 pm EST (1:08 pm local).

The brief launch window closes at 4:23 pm, Air Force officials said.


This fifth flight of a Delta IV-Heavy will lift-off from the south base's space launch complex 6, the same pad which was primed in the mid-1980's for the military's space shuttle launches.

Four previous Delta IV-Heavy's have launched from Cape Canaveral Air Force Station since January 2004.

The countdown will begin at 10:38 am EDT, on Thursday at the T-5 hour, 15 minute point.

A half-hour later, the launch team will begin fueling the liquid oxygen tanks of the common booster core. Just over an hour later, the liquid hydrogen fueling will start.

The 236-foot tall rocket features three common booster cores with a single engine, each delivering nearly 745,000 pounds of thrust at launch or 2,234,000 pounds combined.

Launch begins at T-4 seconds when the three RS-68 engines ignite and throttle to full thrust.

Once the Delta rises into the midday skies, the launch will be visible around the Los Angels region to the south as the vehicle darts south and out over the Pacific Ocean.

Just over six minutes into the launch, the three booster cores will have emptied their fuel and will be jettisoned.

The exact deployment time of the payload will not be disclosed, according to the 30th Space Wing at Vandenberg.

The next Delta IV-H is on the table to fly from Cape Canaveral in December, however two medium size Delta IV's will launch beginning this spring also from the Cape.
 
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