HEADLINES:
Raytheon, Tata Advanced Systems to Co-produce Stinger Missile Components । Indian Navy Concludes First Contract under Buy and Make (Indian) Category । Contract signed between Nova Integrated Systems Ltd (NISL), a TASL subsidiary, and Indian Navy for procurement of Surface Surveillance Radars (SSRs) । NISL to indigenously manufacture these state-of-the-art radars in collaboration with Terma, Denmark । ISRO creates history; launches 104 satellites in one go । President, Vice President and Prime Minister congratulated ISRO and its scientists for the historic mission । Indian Navy to decommission aircraft carrier INS Viraat on March 6 । India to spend Rs 2,74,114 crore on Defence । Rs 85,737.31 crore will be spent on equipment acquisition । Russia formally enters IAF’s second round of MMRCA competition । Moscow offers a new MiG-35 variant under Make in India । Alexander M Kadakin, who served as the Russian Ambassador to India for over a dozen years, passed away after a brief illness in New Delhi on Thursday, January 26, 2017. Indian Prime Minister Narendra Modi condoled Kadakin’s death calling him a “great friend of India.” । India Strategic wishes everyone Happy Republic Day । President Pranab Mukherjee takes salute at the beautiful Republic Day Parade in New Delhi । UAE Crown Prince Shaikh Mohammed bin Zayed is the Chief Guest at India’s R-Day celebrations । A highlight of the Parade is also the participation of a UAE armed forces contingent । Prime Minister Narendra Modi laid a wreath at Amar Jawan Jyoti to pay tributes to martyrs । The impressive Parade began with a 21-gun salute to the President, the Supreme Commander of the Indian armed forces । India’s anti-terror force, National Security Guard (NSG) made its debut in the Parade । Dressed in their patent black, NSG commandos jogged passed the saluting base with their faces covered । US President Donald Trump called Prime Minister Narendra Modi late on January 24 । The telephone call is indicative of the vital nature of the India-US strategic partnership between the two countries । Abu Dhabi Crown Prince Sheikh Mohammed Bin Zayed Al Nahyan arrives in New Delhi । Bin Zayed Al Nahyan, who is also the Deputy Supreme Commander of the UAE Armed Forces, was received by PM Modi । Sheikh Mohammed Bin Zayed is the Chief Guest of Republic Day 2017 । Government extends Foreign Secretary Dr S Jaishankar’s tenure by one year । The extension to be effective between Jan 29, 2017 and Jan 28, 2018 । Pravind Kumar Jugnauth takes over as Mauritius Prime Minister । Prime Minister Modi congratulated the newly-appointed Mauritian PM । Donald Trump takes over as US President । Promises transfer of power to people । Turkish Boeing 747 cargo plane crashes in Kyrgyzstan with 37 onboard; all killed । Astronaut Gene Cernan, 82, the last man to walk on moon, passes away । India marks Army Day । President, Prime Minister and Defence Minister greet the Army । Army Chief Gen Bipin Rawat takes salute at the impressive Army Day Parade । Gen Rawat says India wants peace but if attempts are made to disrupt it, then “we will display our power” । He says emphasis is on newer technology weapons and systems for the Army । Space connectivity is also high on Army’s agenda । This is the 69th Army Day, marking the time when an Indian Chief, Gen KM Cariappa took over the command after Independence । Indian Navy launches its second Kalvari class submarine INS Khanderi in Mumbai । India Strategic wishes all its readers and viewers a very Happy New Year । India successfully test fires Agni 5 long range missile | IAF gets Government approval for one more C 17 strategic Lift aircraft | IAF has got 10 C 17s, but had initially planned for more than 20 | Lack of timely approval made IAF slash figure to three but by then Boeing closed factory | IAF will get the last one in production | Syrian government of President Assad takes full control of Aleppo | Lt Gen Bipin Rawat appointed the next Army Chief and Air Marshal BS Dhanoa the Air Chief | The appointments are effective December 31 afternoon | Both are Vice Chiefs of Staff at present in their respective Services | 48 killed in a PIA ATR-42 aircraft crash in Pakistan | The twin-engine propellor aircraft was on way from Chitral to Islamabad | India marks Navy Day | Prime Minister Narendra Modi greets all Navy personnel, and salutes their bravery on Indian Navy annual day | PM Modi, Afghan President Ashraf Ghani jointly inaugurate Heart of Asia Ministerial Conference at Amritsar (India) Dec 4 | Need of the hour is to identify terrorism and bring stability in the region, says PM Modi | India’s commitment to Afghan is absolute, Mr Modi said addressing 6th HoA Ministerial Conf | Afgan Prez accused Pakistan of sheltering terror, and thanked India of financial aid | HoA Conf began at Amritsar Dec 3 | INS Vikrant likely to be operational in 2018 | Vikrant to operate both Russian MiG-29K and Western origin Aircraft | Indian Navy to mark 2017 as the year of submarine: Adm Lanba | Gujarat-cadre officer Rakesh Asthana to take over as CBI Director after Anil Sinha, who retires Dec 2 | Gen Qamar Javed Bajwa is Pakistan’s new army chief | Gen Bajwa took over from Gen Raheel Sharif Nov 29 | The outgoing chief stressed all should work together “against external and internathreats” | Plane carrying Brazilian football team crashes in Colombia | Cuba’s revolutionary leader Fidel Castro dies. He was 90. | Castro had challenged the US might and invited Soviet presence next door to the US | US-Cuban relations have normalized now after half a century | Defence Minister Manohar Parrikar Commissions INS Chennai into Indian Navy Nov 21 | INS Chennai is a Project 15A Guided Missile Destroyer | This is the 3rd and last ‘Kolkata’ class destroyer indigenously designed by DND and constructed by MDL, Mumbai | India successfully tests nuclear capable Prithvi-II missile in Odisha | India becomes associate member of European Organization for Nuclear Research (CERN), Geneva | Defence Minister Manohar Parrikar inducts four Indigenous Naval Systems | The 4 Indigenous Naval Systems – ABHAY, HUMSA UG, NACS and AIDSS – were indigenously developed by DRDO | These Indigenous Naval Systems will boost underwater surveillance capability of the Indian Navy | India, Japan sign Civil Nuclear Deal | The Deal signed during PM Narendra Modi’s visit to Japan Nov 10-11 | With this Deal, Japan is able to export N-technology to India for peaceful uses | PM Modi calls the Deal “a historic step to build a clean energy partnership between India, Japan” |
February 25, 2017
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ISRO Achieves Another Milestone

PSLV-C35 SUCCESSFULLY LAUNCHES EIGHT SATELLITES INTO TWO DIFFERENT ORBITS IN A SINGLE FLIGHT
Published: October 2016
 

New Delhi. In its thirty seventh flight (PSLV-C35), ISRO’s Polar Satellite Launch Vehicle successfully launched the 371 kg SCATSAT-1 Satellite along with seven co-passenger satellites

September 26 from Satish Dhawan Space Centre SHAR, Sriharikota. This is the thirty sixth consecutively successful mission of PSLV. The total weight of all the eight satellites carried on-board PSLV-C35 was 675 kg. PSLV-C35 is the first PSLV mission to launch satellites carried onboard into two different orbits. This PSLV mission was the longest of the PSLV missions conducted till date and was completed in 2 hours 15 minutes and 33 seconds after lift-off.

After PSLV-C35 lift-off at 0912 hrs (9:12am) IST from the First Launch Pad with the ignition of the first stage, the subsequent important flight events, namely, strapon ignitions and separations, first stage separation, second stage ignition, payload fairing separation, second stage separation, third stage ignition and separation, fourth stage ignition and cut-off, took place as planned. After a flight of 16 minutes 56 seconds, the vehicle achieved a polar Sun Synchronous Orbit of 724 km inclined at an angle of 98.1 degree to the equator (very close to the intended orbit) and 37 seconds later the primary satellite SCATSAT-1 was separated from the PSLV fourth stage.

After separation, the two solar arrays of SCATSAT-1 satellite were deployed automatically and ISRO’s Telemetry, Tracking and Command Network (ISTRAC) at Bangalore took over the control of the satellite. In the coming days, the satellite will be brought to its final operational configuration following which it will begin to provide weather related services using its scatterometer payload. The data sent by SCATSAT-1 satellite will help provide weather forecasting services to user communities through the generation of wind vector products as well as cyclone detection and tracking.

After the successful separation of SCATSAT-1, the PSLV-C35 mission continued. Still carrying the seven copassenger satellites, the fourth stage of PSLV coasted over the South Polar Region

and then started ascending towards the Northern hemisphere. A safe distance between the orbiting SCATSAT-1 and PSLV-C35 fourth stage was maintained by suitably manoeuvring the stage.

At 1 hour 22 minutes and 38 seconds after lift-off as the fourth stage was in the North Polar region, the two engines of PSLV fourth stage were reignited and fired for 20 seconds. As a result of this, it entered into an elliptical orbit measuring 725 km on one side of the Earth and 670 km on the other.

And 50 minutes later, as the PSLV fourth stage was again coasting near the south pole, its engines were fired for another 20 seconds. This second firing made the fourth stage to enter into a circular orbit of 669 km height inclined at an angle of 98.2 degree to the equator.

37 seconds later, the Dual Launch Adapter was successfully separated from the PSLV-C35 fourth stage. 30 seconds after this event, ALSAT-1 was the first co-passenger satellite to be separated successfully. Following this, the NLS-19, PRATHAM, PISAT, ALSAT-1B, ALSAT-2B,

and Pathfinder-1 were separated from the PSLV fourth stage in a predetermined sequence thereby successfully completing PSLV-C35 mission.

Of the seven co-passenger satellites carried by PSLV-C35, two – PRATHAM weighing 10 kg and PISAT weighing 5.25 kg – are University/Academic institute satellites and were built with the

involvement of students from IIT-Bombay and PES University, Bangalore and its consortium, respectively.

The remaining five co-passenger satellites were international customer satellites from Algeria (three – ALSAT-1B, ALSAT-2B and ALSAT-1N), Canada (one- NLS-19) and the United States (one – Pathfinder-1).

With this launch, the PSLV’s capability to launch satellites into two different orbits has been successfully demonstrated. The total number of satellites launched by India’s workhorse launch vehicle PSLV has now reached 121, of which 42 are Indian and the remaining 79 are from abroad.

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