Air Force Test

source
http://bitsandpieces.us/2011/01/05/air-force-test/


我最高18.875秒XD

If you can go longer than 18 seconds you are phenomenal. It’s been said that the US Air Force uses this for fighter pilots. They are expected to go for at least 2 minutes.

link
http://members.iinet.net.au/~pontipak/redsquare.html