Have you considered the possibility that there already exists a "star wars" program and that this claim is simply the start of the probing towards declassification of some of the variety of space based weapon systems that have already been developed? (Ex: Rods from god)

You do make many valid points, but like with most of what Trump has been doing, what appears on the face is usually not what it seems. In other words, it's not what he does that is important, but more how the response will get him what he actually wants.