US will test flight today an unmanned rocket launched aircraft capable of attaining top speeds of 21,580 KPH as part of development of a new generation of hypersonic weapons that can strike faster
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/test-today-aircraft-faster-missile
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/space-technology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/peace-and-disarmament