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<title>LDCM Launch Updates</title>
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<title><![CDATA[Launch Earns Praise from NASA Administrator, Interior Secretary]]></title>
<description><![CDATA[NASA Administrator Charles Bolden and U.S. Interior Secretary Ken Salazar offered congratulations to the LDCM launch teams following the successful liftoff and ascent of the latest Landsat spacecraft.  Salazar's Interior Department oversees the U.S. Geological Survey that will oversee the LDCM once it becomes operational. With the LDCM in orbit, we will finish today's NASA Launch Blog coverage of the start of this mission that will continue to detail the  changes taking place on Earth.]]></description>
<pubDate>Mon, 11 Feb 2013 19:29:48 GMT</pubDate>
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<title><![CDATA[LDCM Soars On Its Own!]]></title>
<description><![CDATA[The newest Landsat spacecraft is in orbit, flying by itself. A set of bolts holding the LDCM to the Centaur upper stage were severed and the Centaur has fallen back from the satellite. A camera on  the Centaur showed the separation in real-time, which sent the launch teams into applause to mark the successful launch. The LDCM will operate on the power of a single set of solar panels which it will deploy shortly to begin recharging its batteries.]]></description>
<pubDate>Mon, 11 Feb 2013 19:20:33 GMT</pubDate>
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<title><![CDATA[Second Centaur Burn Complete]]></title>
<description><![CDATA[The Centaur's single engine shut down as planned, putting LDCM on its expected course. The spacecraft will separate from the empty Centaur booster in a few minutes.]]></description>
<pubDate>Mon, 11 Feb 2013 19:14:49 GMT</pubDate>
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<title><![CDATA[Centaur Engine Burning]]></title>
<description><![CDATA[The Centaur's RL-10 engine is alight and pushing the LDCM spacecraft again through space. The burn will last less than two minutes and place LDCM in an orbit that will allow its own small thrusters  to finalize into a 438-mile-high circular orbit.]]></description>
<pubDate>Mon, 11 Feb 2013 19:13:03 GMT</pubDate>
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<title><![CDATA[Three Minutes to Centaur Re-ignition]]></title>
<description><![CDATA[The LDCM spacecraft and Centaur upper stage remain healthy and operational in space as the Centaur re-orients for its second engine firing.]]></description>
<pubDate>Mon, 11 Feb 2013 19:09:51 GMT</pubDate>
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<title><![CDATA[Coast Phase]]></title>
<description><![CDATA[The Centaur engine shut down on time to begin a 55-minute coast for the LDCM spacecraft. The LDCM will operate in a 438-mile high circular orbit.]]></description>
<pubDate>Mon, 11 Feb 2013 18:18:00 GMT</pubDate>
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<title><![CDATA[14,200 MPH and Climbing]]></title>
<description><![CDATA[The LDCM spacecraft is moving at 14,200 mph as the Centaur pushes it into space. Two minutes before the Centaur engine shuts down to begin a 55-minute coast phase.]]></description>
<pubDate>Mon, 11 Feb 2013 18:15:33 GMT</pubDate>
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<title><![CDATA[LDCM Heading Southwest into Orbit]]></title>
<description><![CDATA[The Centaur upper stage and its RL-10 engine continue to work fine as the LDCM spacecraft is sent to the south-southwest off California to reach its near-polar orbit.]]></description>
<pubDate>Mon, 11 Feb 2013 18:10:24 GMT</pubDate>
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<title><![CDATA[Payload Fairing Jettisoned]]></title>
<description><![CDATA[The protective nosecone around LDCM separated and fell away from the rocket as planned. The Centaur main engine continues to operate normally as LDCM is pushed higher and faster into orbit. Speed is  10,400 mph and climbing.]]></description>
<pubDate>Mon, 11 Feb 2013 18:07:51 GMT</pubDate>
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<title><![CDATA[Second Stage Ignition]]></title>
<description><![CDATA[The Centaur upper stage has taken over for the empty Atlas V first stage and is now lifting LDCM into orbit. The payload fairing over LDCM will separate shortly.]]></description>
<pubDate>Mon, 11 Feb 2013 18:06:17 GMT</pubDate>
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<title><![CDATA[First Stage Working Well]]></title>
<description><![CDATA[The Atlas V first stage engine is burning well as LDCM thunders through the early area of its ascent.]]></description>
<pubDate>Mon, 11 Feb 2013 18:03:08 GMT</pubDate>
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<title><![CDATA[LIFTOFF!]]></title>
<description><![CDATA[LDCM and the Atlas V are heading into orbit!]]></description>
<pubDate>Mon, 11 Feb 2013 18:02:05 GMT</pubDate>
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<title><![CDATA[Atlas V on Internal Power]]></title>
<description><![CDATA[The Atlas V is operating on its own power. T-1:30]]></description>
<pubDate>Mon, 11 Feb 2013 18:00:42 GMT</pubDate>
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<title><![CDATA[Countdown Resumes for On-Time Launch]]></title>
<description><![CDATA[T-4 minutes and counting . . . The Atlas V is in the final stage of today's countdown.]]></description>
<pubDate>Mon, 11 Feb 2013 17:58:05 GMT</pubDate>
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<title><![CDATA[Go for Launch]]></title>
<description><![CDATA[The NASA and United Launch Alliance controllers gave their final clearance to launch LDCM on-time aboard an Atlas V rocket.]]></description>
<pubDate>Mon, 11 Feb 2013 17:56:37 GMT</pubDate>
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<title><![CDATA[LDCM Spacecraft on Internal Power]]></title>
<description><![CDATA[The LDCM spacecraft has switched to internal power. In orbit, it will operate on electricity generated by its solar panel.]]></description>
<pubDate>Mon, 11 Feb 2013 17:53:27 GMT</pubDate>
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<title><![CDATA[T-4 minutes and Holding]]></title>
<description><![CDATA[Today's countdown is in a planned 10-minute hold at the T-4 minute mark. The launch teams will conduct final polls for launch.]]></description>
<pubDate>Mon, 11 Feb 2013 17:49:33 GMT</pubDate>
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<title><![CDATA[Atlas, Centaur Tanks Filled]]></title>
<description><![CDATA[The United Launch Alliance launch team is trickling in just enough propellants to the tanks in the Atlas V first stage and Centaur upper stage to replace what boils off during the countdown. Some 48,860 gallons  of liquid oxygen have been loaded into the first stage tank while 4,150 gallons of liquid oxygen and 12,680 gallons of liquid hydrogen have been pumped into the Centaur tanks. More than 25,000 gallons of RP-1 kerosene were pumped into the Atlas V first stage  yesterday. The countdown remains on track for an on-time liftoff.]]></description>
<pubDate>Mon, 11 Feb 2013 17:47:59 GMT</pubDate>
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<title><![CDATA[Final Built-in Hold Coming Up]]></title>
<description><![CDATA[As the last amounts of propellant are trickled into the Atlas V rocket, there remains one more built-in hold for today's countdown. At T-4 minutes, the clocks will pause for 10 minutes. During this  time, the launch teams will conduct their polls and then give the final go/no-go for launch. The weather remains flawless and there are no technical issues in work.]]></description>
<pubDate>Mon, 11 Feb 2013 17:43:48 GMT</pubDate>
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<title><![CDATA[The Landsats before LDCM]]></title>
<description><![CDATA[NASA launched six Landsat spacecraft that went into service with the US Geological Survey. A Delta rocket carried the first one in 1972. The previous  Landsat rode a Delta II into orbit in April 1999. Today's launch is the first Landsat mission since the 1999 launch.]]></description>
<pubDate>Mon, 11 Feb 2013 17:10:20 GMT</pubDate>
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<title><![CDATA[One Hour Before Launch]]></title>
<description><![CDATA[All is looking good as the LDCM countdown proceeds today. One hour to go, with liftoff scheduled for 1:02 p.m. Eastern time, 10:02 a.m. Pacific.]]></description>
<pubDate>Mon, 11 Feb 2013 17:03:48 GMT</pubDate>
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<title><![CDATA[Liquid Hydrogen Chilldown Begins for Centaur]]></title>
<description><![CDATA[The chilldown process is under way ahead of the fueling of the Centaur upper stage with 12,680 gallons of liquid hydrogen. Oxygen loading of the Centaur and Atlas V first stage have proceeded as planned.]]></description>
<pubDate>Mon, 11 Feb 2013 16:43:31 GMT</pubDate>
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<title><![CDATA[Centaur's Story]]></title>
<description><![CDATA[The Centaur upper stage was developed in the 1960s at NASA's Glenn Research Center in Ohio, then called Lewis Research Center. The Centaur's RL-10 was the first engine to use liquid hydrogen for fuel because hydrogen packs more energy in less weight than other propellants. The success of Centaur in deploying probes to Venus, Mercury and the moon gave engineers sufficient comfort to design the space shuttle's main engines to operate using hydrogen fuel. Other liquid-fueled engines including the F-1 on the Saturn V first stage burned kerosene.]]></description>
<pubDate>Mon, 11 Feb 2013 16:17:26 GMT</pubDate>
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<title><![CDATA[Centaur LO2 Tanking Begins]]></title>
<description><![CDATA[Liquid oxygen, called LO2, is being fed into the Centaur upper stage as tanking operations get under way at Space Launch Complex -3 at Vandenberg AFB. The Centaur will be loaded with 4,150 gallons  of the propellant before launch. Its RL-10 engine burns oxygen and hydrogen to lift the LDCM spacecraft into its orbit.]]></description>
<pubDate>Mon, 11 Feb 2013 16:11:33 GMT</pubDate>
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<title><![CDATA[Tanking Operations Begin]]></title>
<description><![CDATA[Controllers began operations to load liquid oxygen into the Atlas V first stage. Because the propellant is minus-297 degrees F, the machinery it will pass through needs to be conditioned before the  pumps can begin loading the tanks at the normal rate. The Atlas V engine mixes the oxygen with refined kerosene to produce almost a million pounds of thrust at liftoff.]]></description>
<pubDate>Mon, 11 Feb 2013 16:07:12 GMT</pubDate>
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<title><![CDATA[Go for Cryo Tanking]]></title>
<description><![CDATA[The launch teams have given their go to begin loading cryogenic propellants, also known as "cryos," into the Atlas V first stage and Centaur upper stage. Cryos are the super-cold chemicals the engines will use to power the rocket off the ground and the LDCM spacecraft into orbit. Since the propellants are obviously powerful, the launch team goes to great lengths to make sure they are handled safely. NASA and United Launch Alliance have been working with cryogenic propellants for decades.]]></description>
<pubDate>Mon, 11 Feb 2013 15:49:49 GMT</pubDate>
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<title><![CDATA[NASA's Second Launch of 2013]]></title>
<description><![CDATA[NASA's Launch Services Program, called LSP, oversaw the liftoff and ascent of the Tracking and Data Relay Satellite TDRS-K on Jan. 30 from Cape Canaveral, Fla., and today is managing this launch from Vandenberg Air Force Base in California. Many of the same people are involved in both launches even though they are taking place on different coasts. LSP also runs missions from Kwajalein Atoll in the Marshall Islands. The launch site is determined by the needs of the spacecraft. For TDRS-K, the orbit called for a launch from Kennedy. LDCM will follow a track that takes it roughly over the Earth's poles, so it needs to launch from California.]]></description>
<pubDate>Mon, 11 Feb 2013 15:36:26 GMT</pubDate>
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<title><![CDATA[Weather Clear Today Over Vandenberg]]></title>
<description><![CDATA[The Atlas V rocket and its LDCM spacecraft payload are standing beneath a clear sky at Vandenberg AFB in California this morning as the countdown to launch continues to run smoothly. Forecasters predict a zero percent chance of a weather violation.]]></description>
<pubDate>Mon, 11 Feb 2013 15:25:56 GMT</pubDate>
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<title><![CDATA[Welcome to LDCM Launch Day!]]></title>
<description><![CDATA[Happy launch day! For the second time in two weeks, we are getting ready to send another NASA spacecraft into orbit aboard an Atlas V rocket. Today's liftoff will take place at NASA's launch pad at Vandenberg Air Force Base about an hour north of Los Angeles. Launching from the West Coast, the Landsat Data Continuity Mission, or LDCM, spacecraft will go into a near-polar orbit that will take it over each of the Earth's poles during each orbit. Spacecraft cannot enter a polar orbit launching from Florida.<br/><br/>This time, the spacecraft is the latest Landsat Earth observation satellite designed to carry on a four-decade mission of watching how the planet is changing and how its resources are being used. It will be renamed Landsat 8 when it becomes operational. We will go into some detail about the advanced abilities of the LDCM's sensors as NASA's Launch Blog unfolds.]]></description>
<pubDate>Mon, 11 Feb 2013 15:15:08 GMT</pubDate>
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<title><![CDATA[Gantry Pulled Back to Reveal Atlas V Rocket]]></title>
<description><![CDATA[The gantry at Vandenberg Air Force Base Space Launch Complex 3 has been pulled back to reveal the United Launch Alliance Atlas V 401 rocket and the Landsat Data Continuity Mission (LDCM)  spacecraft. Weather is forecast to be favorable for launch, which is targeted for 1:02 p.m. EST at the beginning of a 48-minute launch window. Our continuous countdown and launch coverage  on the NASA Launch Blog will begin at 10:15 a.m. We'll detail the steps involved with loading propellants into the Atlas V and Centaur upper stage, what the LDCM spacecraft will do in orbit and of course follow the course of the liftoff and ascent from Vandenberg  Air Force Base in California into space. Join us at 10:15 a.m.!]]></description>
<pubDate>Mon, 11 Feb 2013 14:19:42 GMT</pubDate>
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<title><![CDATA[LDCM Launch Blog Begins Monday, Feb. 11]]></title>
<description><![CDATA[Join us Monday, Feb. 11 to follow the countdown and launch of the Landsat Data Continuity Mission, LDCM, which is the latest Landsat spacecraft designed to continue chronicling changes on Earth. Liftoff is scheduled for the start of a 48-minute launch window that opens at 10:02 a.m. PST, which is 1:02 p.m. EST. Managers will gather Wednesday for a flight readiness review.]]></description>
<pubDate>Tue, 05 Feb 2013 20:38:19 GMT</pubDate>
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