US may need 500 F-47, B-21 aircraft to counter China VnExpress A US research institute believes the country needs at least 500 F-47 fighters and B-21 bombers to defeat China in a conflict.
Chinese stealth destroyer fires hypersonic missile VnExpress China has released video of the test launch of its YJ-20 hypersonic anti-ship missile from a Type 055 stealth destroyer, marking the first time such footage has been made public.
