"Its not to make it invisible, but to confuse and gain that extra moment of time."

Exactly right. Even a moment of confusion about a vehicle's range or course could be the difference between a hit and a miss. In WWI, ships were painted in fabulously bright and powerful patterns of colour to provide an edge against submarine attacks:
http://www.gotouring.com/razzledazzle/articles/dazzle.html

Disruptive patterns continued in use during WWII (and onward) but with neutral colours.