After we've solved the problem of protecting nearly 6,000 miles of land crossings (which doesn't include Alaska) we can begin to solve the issue of dealing with the 11,323 miles of coastline which doesn't include Alaska or Hawaii.
"[The] European Union decided to deploy planes, boats and rapid reaction aid teams from eight nations to ward off the flow of migrants, almost entirely young black men who set off in wooden boats from the western coast of Africa."