Silversea Guests Set To Cruise The Stratosphere At Supersonic Speed

(Ft. Lauderdale, FL — April 23, 2007) This summer adventurous guests of ultra-luxury Silversea Cruises will have the chance to experience the incredible thrill of flying near the stratospheric border at 700 miles per hour as part of a new optional overland tour offered from St. Petersburg, Russia.
The expanded three-day excursion offers [...]