egmat wrote:
Quote:
egmat wrote:
DARPA’s Falcon Hypersonic Technology Vehicle can fly as fast as 6X the speed of sound and can attack a target 2000 miles away in 30 minutes, its engine’s thrust prevented from dissipating in the stratosphere by its conical unibody design.
A. its engine’s thrust prevented from dissipating in the stratosphere by its conical unibody design
B. preventing its engine’s thrust from dissipating in the stratosphere because of its conical unibody design
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