Weapon designer Stuart Macrae witnessed a trial of the SIPs grenade at Farnborough: " There was some concern that, if the tank drivers could not pull up quickly enough and hop out, they were likely to be frizzled to death, but after looking at the bottles they said they would be happy to take a chance.

Weapon designer Stuart Macrae witnessed a trial of the SIP grenade at Farnborough: " There was some concern that, if the tank drivers could not pull up quickly enough and hop out, they were likely to be frizzled to death, but after looking at the bottles they said they would be happy to take a chance.

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