India has issued a Notice to Airmen (NOTAM) for a launch of an experimental flight vehicle in the Bay of Bengal for the period from 08 – 11 July 2021 as per information provided by Twitter user @detresfa_. India’s DRDO had tested 122mm Rocket and Enhanced Pinaka Mk1 rockets recently and also nuclear-capable Agni Prime Ballistic Missile in previously issued NOTAMs by India. Initial speculation was that the new NOTAM might be for the Hypersonic Technology Demonstration Vehicle (HSTDV) from APJ Abdul Kalam testing range in Odisha’s Balasore. 

But areas defined in the NOTAM are not the same as the previous NOTAM that was issued for the HSTDV test, leading to the possibility that it is for test of a new long range surface to air or air to air missile . 

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