India's 1st manned ocean mission Samudrayaan inches closer to reality

INDIA's ambitious first-manned ocean mission Samudrayaan is inching closer to reality, with ISRO on Wednesday announcing that the testing of the personnel sphere of the Matsya-6000 submersible, along with the development of materials for realisation, were successfully carried out at the Vikram Sarabhai Space Centre (VSSC).

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"Subsequent to the process development and optimisation, the first welding on the actual hardware and detailed evaluation has been successfully completed. High-penetration welding of this scale, i.e., of 80-mm weld thickness, over 7,100-mm length with 32 minutes of weld duration, was carried out for the first time in the country," ISRO scientists said.