Chennai, Dec. 23 -- The countdown for the Wednesday morning launch of India's LVM3-M6 rocket carrying Nasdaq-listed AST SpaceMobile Inc's 6.5-ton BlueBird Block-2 satellite is expected to begin around 8.55 am on Tuesday, sources said. This mission marks the 6th operational flight of LVM3.

The Indian Space Research Organisation (ISRO) has said the LVM3 will lift off from the second launch pad at the Sriharikota spaceport at 8.24 am on Wednesday. About 16 minutes into the mission, the 43.5-metre-tall, 640-tonne launch vehicle will place the BlueBird-6 satellite into Low Earth Orbit (LEO).This will be the largest commercial communications satellite ever deployed in LEO and the heaviest payload launched by LVM3 from Indian soil.

During the co...