Chethan Kumar @ChethanKumarTOI

Journalist | Personal Handle: @Chethan_Dash Joined September 2015

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Rajat Pandit @rajatpTOI

3 days ago

India deploys multi-role frigate INS Trikand, 5 Sukhoi-30MKI fighter jets & over 700 military personnel for mega multi-nation #BrightStar exercise being held in Egypt, in conjunction with the US. Over 40 countries, UK, Saudi Arabia, Qatar, Greece, Cyprus, Italy etc, participating

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Rajat Pandit @rajatpTOI

3 days ago

Hindustan Aeronautics (#HAL) hopes to finally deliver the first2 `improved’ #Tejas Mark-1A fighters to #IAF in Oct after a long delay, but it will be contingent on the single-engine jet completing its weapon firing trials. #Astra, #Asraam & #LGB timesofindia.indiatimes.com/india/hal-to-d…

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Chethan Kumar @Chethan_Dash

2 days ago

#JUSTIN #Space #Update @Digantarahq & Japan's @ispace_inc will work together to build #cislunar situational awareness and domain infrastructure as part of a new partnership announced today. 1/n

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Chethan Kumar @Chethan_Dash

2 days ago

The announcement was made in Tokyo during the 15th Annual India–Japan Summit, attended by PM Modi & PM Shigeru Ishiba. 2/n

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Chethan Kumar @Chethan_Dash

2 days ago

Digantara will bring its expertise in tracking and managing objects in orbit, an area seen as increasingly important as lunar missions grow in number. ispace will contribute its lunar landing and surface operations tech. 3/n

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Chethan Kumar @Chethan_Dash

2 days ago

Together, the companies intend to develop systems that could support logistics, infrastructure, and resource use around the Moon, laying groundwork for what both describe as a sustainable lunar ecosystem. 4/n

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Chethan Kumar @Chethan_Dash

2 days ago

The collaboration draws on India’s #Chandrayaan prog, the planned Isro–Jaxa #LuPEX mission, and ispace’s series of commercial lunar landings. 5/n

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Chethan Kumar @Chethan_Dash

2 days ago

“It marks a new step in linking Indian and Japanese space startups, with the focus shifting to the cislunar region—the area between Earth and the Moon—where navigation, traffic management, and long-term operations are becoming priorities,” Digantara said. 6/n

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Chethan Kumar @Chethan_Dash

2 days ago

“Our collaboration with Digantara is about more than reaching the lunar surface. It’s about creating the ecosystem that enables humanity’s sustained presence on the Moon... 7/n

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Chethan Kumar @Chethan_Dash

2 days ago

...By aligning with the Quad framework, we are ensuring that this future is cooperative, transparent, and sustainable,” said Takeshi Hakamada, Founder & CEO of ispace. 8/n

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Chethan Kumar @Chethan_Dash

2 days ago

Anirudh Sharma, CEO of Digantara, said ispace has been at the forefront of private lunar exploration, and Digantara was excited to complement their capabilities with our expertise in space domain awareness. 9/n

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Chethan Kumar @Chethan_Dash

2 days ago

“...This joint mission lays the foundation for safe operations, resource use, and long-term infrastructure on the Moon,” he added. n/n

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Chethan Kumar @Chethan_Dash

2 weeks ago

#Update #Space Here we go: More on 1st integrated air drop test (#IADT01) done yesterday. The test validated end-to-end performance of key parachute-based deceleration system of the Crew Module for #Gaganyaan mission in one of the typical mission scenarios. 1/n Pics: @isro

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Chethan Kumar @Chethan_Dash

2 weeks ago

This test is part of system level qualification of parachute-based deceleration system, in which a simulated crew module, encompassing the deceleration system is dropped using a helicopter, @isro said. It used an IAF #Chinook. Read on... 2/n

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Chethan Kumar @Chethan_Dash

2 weeks ago

@isro In #Gaganyaan missions, parachute-based Deceleration system is employed during terminal phase of Crew Module (CM) descent to reduce the touchdown velocity of CM to an acceptable limit for safe landing on sea. 3/n

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Chethan Kumar @Chethan_Dash

2 weeks ago

@isro The parachute system and its layout, for #IADT01 was same as that of #Gaganyaan. It comprised of four types of parachutes: two 2.5m Apex Cover Separation (ACS), two 5.8m Drogue, three 3.4m Pilot & three 25m Main parachutes. 4/n

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Chethan Kumar @Chethan_Dash

2 weeks ago

@isro In #IADT01, the nearly 5-tonne simulated CM (~4.8 t) with Parachute system was released from an altitude of about 3.1km. The deceleration system initiation began with firing of ACS Mortar which deploys the ACS parachutes... 5/n

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Chethan Kumar @Chethan_Dash

2 weeks ago

@isro ...which is followed by the separation of Apex cover. The deployed ACS parachutes then decelerated the Apex cover and prevented it from re-contacting the descending simulated CM during the test. 6/n

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Chethan Kumar @Chethan_Dash

2 weeks ago

@isro The Drogue parachutes were then deployed using Drogue Mortar, which provided first stage deceleration to the simulated crew module. After first stage deceleration, the Drogue parachutes were released using pyro-based parachute releasers. 7/n

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Chethan Kumar @Chethan_Dash

2 weeks ago

@isro This was followed by firing of three Pilot Mortars, which ejected and deployed the Pilot parachutes, which then independently extracted and deployed the three Main parachutes. 8/n