US destroyer collided with a container ship!

https://sg.news.yahoo.com/us-destroyer-philippine-vessel-collide-off-japan-navy-221307400.html

OMG! A container ship is very big and will definitely appear on the radar because it doesn't have any stealth mode.  If the state of art radar on the US destroyer cannot detect a container ship, how can it go to war?

This is really a big joke!