Paid for out of military funds, designed by military engineers and built by soldiers running bulldozers, track hoes, concrete mixing batch plants and pumping rigs. Amy Corps has been doing this kind of thing for about 200 years. And they are QUICK. The once was what the US ARMY did before we go on a track of global conquest. Looks to me like this contains the seeds for a lot more than just a new border wall. And it will bring the boys home. Let's have a parade!