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Sign up to our Twitter feed and get text message updates on your cellphone. ![]() PST)NASA's $2. 73 million Orbiting Carbon Observatory satellite crashed into the ocean near Antarctica shortly after launch today from Vandenberg Air Force Base, Calif., atop an Orbital Sciences Corp. Telemetry indicated a protective nose cone fairing failed to separate early in the climb to space, weighing the rocket down and preventing the spacecraft from reaching orbit. PST)John Brunschwyler, Taurus program manager from Orbital Sciences, explains what was supposed to happen during the nose cone separation and what actually occurred this morning. The clamshell fairing is a two- piece device and it's separated first with four pulses from an electronics box. These are two primary pulses and two redundant pulses, which separate along the fairing rails, which is the vertical part, if you will, of the fairing. About 8. 0 milliseconds later, the base joint is severed in a similar fashion, that is with four pulses - two primary and two redundant. We had good power going into this event, and we also had healthy indications of our electronics box that sent the signal. Once that time had passed, which was about three minutes into the flight, we observed various pieces of telemetry that, of course, we then tried to correlate. Because at first, being humans, we don't necessarily believe one piece of data and we need to correlate the various pieces to kind of come to a conclusion. And indeed we did come to a conclusion later in the flight. It's very hard and like I said, we are, at a very personal level, upset with the results. PST)A statement from Taurus operator Orbital Sciences. Orbital believes that it is likely that it gathered sufficient data during the flight that will enable the company to identify the cause of the failure. PST)The Orbiting Carbon Observatory has failed to reach orbit around Earth because the nose cone of the Taurus rocket failed to separate. Obviously, that was in error. PST)A gallery of launch photos from this morning's liftoff of the Taurus rocket is posted here. PST)This morning's post- failure press conference has been rescheduled for 5 a. PST)The Taurus rocket's 6. Vermont Composites division for Orbital Sciences. The fairing's two halves are made of graphite- epoxy composite materials with an aluminum honeycomb core. This particular shroud has performed well in its five previous Taurus missions before today's mishap. An additional circumferential frangible joint at the base of the fairing attaches the fairing to the upper stage assembly. The fairing halves then rotate about external hinges that control the fairing deployment to ensure that payload and launch vehicle clearances are maintained. All elements of the deployment system have been demonstrated through test to comply with stringent contamination requirements. PST)NASA's $2. 73 million Orbiting Carbon Observatory mission failed today during launch from Vandenberg Air Force Base, Calif., when the protective nose cone fairing failed to separate properly in the climb to space, agency officials said. PST)From NASA launch commentator George Diller. They're still looking at the telemetry data very carefully. It either did not separate or did not separate in the way that it should. At any rate, we're still trying to evaluate exactly what the status of the spacecraft is at this point, and confirm the location and the orbit and exact state that the spacecraft is in. However, the data surrounding fairing separation does not appear to be what we expected to see. So that's what we believe has probably happened. PST)The word from NASA launch commentator George Diller. It appears that we have had a launch contingency. We don't have the exact nature of the loss of mission, but NASA launch director Chuck Dovale has directed that the launch contingency plan be implemented. We will try to bring you any additional information as soon as we have it. PST)Here's the announcement from NASA launch director Chuck Dovale when the failure was declared. Please enact the mission mishap preparedness and contingency plan. Begin with notification, data impoundment and mishap response tasks. Do not leave your stations until released by the NLM or the ALM. Do not attempt to call out and release information to anyone or speculate on the cause of the contingency. I'll come back on this net and instruct you further. PST)NASA says the rocket's nose cone did not jettison as planned, causing today's launch to end in failure. However, it appears that was in error. Today's launch has failed. NASA launch manager Chuck Dovale has ordered mishap procedures to begin. It is not known at this time what has occurred. PST)T+plus 1. 2 minutes, 3. The Taurus rocket's upper stage finished its firing, Orbital says. PST)T+plus 1. 1 minutes, 4. The rocket's attitude remains normal. PST)T+plus 1. 1 minutes, 1. Fourth stage ignition is confirmed. The rocket is positioning itself to the fourth stage ignition orientation as planned. PST)T+plus 7 minutes, 3. All systems still reported in good shape as the rocket continues to coast. PST)T+plus 6 minutes, 4. Taurus is 3. 00 miles above the Pacific now. Orbital reports that all systems are operating normally. Ignition of the fourth stage is expected at about T+plus 1. PST)T+plus 4 minutes, 4. The downrange P- 3 tracking aircraft positioned over the Pacific has acquired the rocket's signal for data relay back to Vandenberg. PST)T+plus 4 minutes, 3. The third stage has finished firing. The Taurus rocket now enters a brief ballistic coast to reach the high point of its current trajectory before the fourth stage ignites to circularize the orbit. PST)T+plus 4 minutes, 1. The vehicle's attitude is stable during the third stage burn. Altitude now 1. 75 miles, speed 1. PST)T+plus 3 minutes, 4. Taurus is 1. 30 miles up and traveling at 1. PST)T+plus 3 minutes, 1. With the Taurus' nose cone enclosing the Orbiting Carbon Observatory during atmospheric ascent no longer needed, the fairing has been jettisoned. Burnout and separation of the rocket's second stage just occurred. And now the Orion 5. XL third stage has been lit. The rocket is stable as the Orion 5. SXLG second stage continues to burn. PST)T+plus 1 minute, 4. Taurus is traveling at 5,0. PST)T+plus 1 minute, 3. The initial staging event of the launch has occurred. The rocket's second stage ignited and the spent first stage was jettisoned to fall into the Pacific Ocean. PST)T+plus 4. 5 seconds. Passing through the region of maximum aerodynamic pressure in the dense lower altitudes of the atmosphere. PST)T+plus 3. 0 seconds. Taurus has passed Mach 1, now traveling faster than the speed of sound as it heads south toward a polar orbit on the power of the Castor 1. Liftoff of the Orbital Sciences Taurus XL rocket and the Orbiting Carbon Observatory to study man's impact on the home planet. PST)T- minus 3. 0 seconds. PST)T- minus 1 minute and counting to launch of NASA's first environmental satellite dedicated to mapping atmospheric carbon dioxide. PST)T- minus 9. 0 seconds. PST)T- minus 2 minutes and counting. Final arming of the rocket has been completed after some initial difficulty. PST)T- minus 3 minutes and counting. Launch team is working a problem arming the rocket. PST)T- minus 5 minutes and counting. Orbital Sciences' launch conductor Adam Lewis has performed his . PST)T- minus 5 minutes, 3. The rocket's rate gyro guidance system has been started. PST)T- minus 6 minutes and counting. The S- band data transmitters have been turned on. And engineers confirm telemetry streaming from the rocket's systems is being received. PST)T- minus 8 minutes and counting. The Taurus rocket's avoinics are going to internal power for launch. PST)T- minus 1. 0 minutes and counting. OCO is running normally on internal power. PST)T- minus 1. 1 minutes and counting. The Orbiting Carbon Observatory spacecraft is switching to internal battery power for its ride into orbit. PST)T- minus 1. 2 minutes and counting. Clocks have resumed ticking after the planned 5- minute hold. Liftoff remains scheduled for 1: 5. PST)The launch team was just polled to give approval for switching Taurus' avionics to internal power. PST)The brief delay in launch was needed to work through a range issue, NASA says. PST)The countdown will remain in this hold an additional four minutes to sync up with the new launch time. The launch has been pushed back a few minutes to 1: 5. PST)T- minus 1. 2 minutes and holding. The countdown has entered the second of two planned built- in holds. This pause will last 5 minutes. PST)NASA launch director Chuck Dovale has conducted a final poll of the agency team. All elements remain ready for launch. PST)Checks of the safety system have been conducted successfully. PST)The Flight Termination System is switching to internal power for pre- launch checks. PST)The launch team has been given a . This is the safety system that would be used in the unlikely event the rocket experiences a malfunction during launch. PST)Upper level winds have been confirmed acceptable for the Taurus rocket's ascent today. PST)Now 4. 0 minutes from liftoff. The Orbital Sciences vehicle underwent the space agency's rigorous review to be qualified for launching a spacecraft such as the Orbiting Carbon Observatory. PST)The launch weather officer provided another briefing to management. There's still a 1. PST)The SIGI flight computer is reported . PST)Alignment of the Taurus rocket's guidance computer is beginning. PST)T- minus 5. 0 minutes and counting. Clocks have resumed ticking after the planned 1. Liftoff remains scheduled for 1: 5. PST)Orbital Sciences' launch conductor Adam Lewis has performed his readiness poll for picking up the countdown. PST)NASA launch director Chuck Dovale has polled the agency team to confirm there are no constraints with restarting the countdown following the built- in hold. PST)The Taurus avionics just switched from ground- fed power to internal power for a few moments so the launch team could verify voltages and currents.
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