Letters to the Editor
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‘Moguls Set To Approach the Sound Barrier’
Regarding “Moguls Set To Approach the Sound Barrier” by Josh Gerstein [National, Weekend Edition, March 16-18, 2008]: More than 10 years ago the Citation 10 business jet was introduced with a top cruise speed of .92 mach — roughly the same speed as the Gulfstream 650 and just under the speed of sound.
ROBERT CADWALADER
Linthicum, Md.
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