1.Project Description: Gulfstream Aerospace and NASA's Dryden Flight Research Center tested the structural integrity of a telescopic 'Quiet Spike' sonic boom mitigator on a NASA F-15B testbed aircraft.

1.湾流航空和宇航局德莱顿飞行心测试构完整性'安静斯派克'爆音缓和对美国航天局F - 15B条试验飞机。