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Bigtime · 10-17-2011, 08:57 PM

I think some of the new proposals minimize the sonic boom to the extent that it would be certified for over land supersonic travel, I think the trouble is still the fuel efficiency.

10-17-2011, 08:57 PM	#123
Bigtime Franchise Player Join Date: Apr 2008 Location: Calgary Exp:	I think some of the new proposals minimize the sonic boom to the extent that it would be certified for over land supersonic travel, I think the trouble is still the fuel efficiency.