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Indigenous Nirbhay Missile to be Test-Fired Again: DRDO

nirbhay missile

The glitches in indigenous subsonic cruise missile Nirbhay have been identified and the missile is likely to be test-fired again in May or June after incorporating changes suggested by a committee that probed the earlier test-failures, the DRDO said on Wednesday.

The missile, with a range of 750-1,000 km, has been successfully test-fired only once in the past, out of the total four tests.

“Only one of the four test-firings of the missile were successful. It does not mean the missile got ditched on its own, but it changed its course,” Defence Research and Development Organisation’s chief S. Christopher said at a press conference at the ongoing ‘Aero India 2017’ here.

ISRO World Record:Indian PSLV Rocket Lifts Off with 104 satellites

“One of the tests was successful, while three were unsuccessful… we had to abort the mission as it went beyond the safe zone,” Christopher said. He said the suggestions of a committee that investigated the defect in the missile system have since been incorporated.”In May or June, we will have another test flight,” he said.

Nirbhay was test-fired the last time in December 2016, but the attempt was aborted midway as the missile changed course. Due to fear that the missile could hit land, it was destroyed within minutes of take-off.

The first test-flight, conducted on March 12, 2013, failed as the missile fell after only 20 minutes of flight.The second test on October 17, 2014, was successful as the missile met all desired parameters.

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During the third test on October 16, 2015, the missile nose-dived into the Bay of Bengal after covering only 128 km. The cruise missile is expected to supplement the India-Russian joint venture, the supersonic cruise missile BrahMos, that can carry warheads up to 290 km.

The two-stage indigenous missile is six meters long, with a diameter of 0.52 meters, wing span of 2.7 meters and launch weight of about 1,500 kg.

Source:IANS

ISRO Successful Launch of PSLV SCATSAT-1 Lauded By PM Modi as ‘Innovative Zeal’

PSLV SCATSAT-1

Sriharikota(Andhra Pradesh): ISRO( Indian Space Research Organisation) was successful in the launching of PSLV SCATSAT-1 along with Eight other satellites into the orbit at 9:12 a.m on this Monday morning (Sep 26th,2016) from Satish Dhawan Space Center, Sriharikota.

PM Modi complimented the Scientists for the successful launch and said “Our space scientists always keep on scripting history. Their innovative zeal has touched the lives of 125 crore Indians and India proud worldwide.”

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ISRO Chairman, A.S.Kiran Kumar declared that its launch was a ‘landmark’ in the history of Mission Control Centre in the noon. Adding to this K.Sivan, Director VSSC (Vikram Sarabhai Space Station) via that “the mission was exciting and the longest one. The other landmark mission to be done this year will be the GSLV-MK3 ROCKET. ”

This was PSLV’s (Polar Satellite Launch Vehicle) or 37th PSLV, longest launch with a record time of 2 hours and 15 minutes. The rocket was re-ignited twice at different orbits during the flight, to place the satellites in their orbits. This was the reason for the record time.

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The PLSV rocket fuelled with Solid and Liquid fuel alternatively for its four stages flight in the space. This heavy loaded rocket has pierced into the sky with glowing orange flames to its tail.

The life of SCATSAT-1 is for five years it provides information of the weather through a generation of wind vector products.

The 320 ton and 44.4m height SCATSAT-1(main cargo with 371kg) rocket along with it carried, is a satellite for weather studies which was placed at an altitude of 730 km in the polar sun synchronous orbit. After a two hour travel in the space, the rocket satellites ‘PRATHAM,’ 10kg built by IIT Bombay and ‘PISAT,’ 5.25kg from PES University.

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The three Commercial Payloads belonging to Algeria(ALSAT-1B,103kg),( ALSAT-2B,117kg),( ALSAT-1N,7kg) and one each for United States(Pathfinder-1,44kg) and Canada(NLS-19,8kg).

India has again achieved the launch of multiple satellites in a single rocket mission. India is found to be marching towards the 100 milestones for launching foreign satellites from the past. With this launch, this morning India has successfully launched 79 satellites for foreign countries.

Undocking, Reentry of DRAGON spacecraft is scheduled for 11th May 2016

dragon crs8

NASA scheduled SpaceX Dragon Spacecraft departure from International Space station for 11th May, 2016 from resupply mission CRS-8. Launched 8th April on a SpaceX Falcon 9 rocket, Dragon is the only space station resupply spacecraft able to return to Earth undamaged.

The Dragon launched from Cape Canaveral Air Force Station (CCAFS) for the company’s 8th NASA-contracted commercial resupply mission, was docked to International space station on 09th April 2016. The Cargo spacecraft delivered about 7,000 pounds of science & research investigations including inflammable BEAM (Bigelow Expandable Activity module) on April 10th.

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 NASA officially announced the return date of the Dragon on 5th May 2016 and unveiled that cargo spacecraft will be undocked on 11th May 2016 from Harmony Module using Canadarm2 robotic arm, which will be operated at NASA’s Johnson Space Center in Houston. The skilled robotics controllers will carefully guide the Dragon into place and Tim Peake of ESA (European Space Agency), Expedition 47 robotic arm operator will execute the command for release at 9:18 a.m.

Before being commanded to begin deorbit burn, Dragon at 2 p.m will fire its thrusters three times to move to a safe zone from the space station. The pressurized section of the spacecraft, referred often as capsule will splash down in the Pacific Ocean about 2:55 p.m. NASA Television will broadcast the departure of Dragon from 9:00 a.m, EDT but the deorbit burn and the splash down will not be on covered.

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NASA’s recovery team which reach Dragon in three boats will retrieve the capsule from the Pacific Ocean and about 3,700 pounds of payload will be carried back to laboratories for further study.

Dragon cargo includes samples from human research, biology and biotechnology studies, physical science investigations and education activities sponsored by the NASA experiments and Center for the Advancement of Science in Space (CASIS). The spacecraft also will return the final batch of human research samples from the one-year crew mission.

In case of unfavourable weather conditions in the Pacific, the backup departure and splashdown date is anticipated to Saturday i.e., 14th May 2016.

NASA live broadcast from undocking will be available on: http://www.nasa.gov/nasatv

On picture above: Dragon CRS-8 seen from Cupola module where Canadarm2 is operated.

Sources:
http://www.nasa.gov/press-release/nasa-tv-to-broadcast-dragon-departure-from-international-space-station

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