http://www.thedrive.com/the-war-zone/24181/usaf-army-and-navy-join-forces-to-field-americas-first-operational-hypersonic-weapon
• 最快2021才出。那時還不知到要實驗到何時才能裝備 -thrawn- ♂ (0 bytes) () 10/13/2018 postreply 08:26:25