They have been upgrading their equipment for decades, with an eye towards domestic production, to not only keep their defenses dollars circulating in country, but to create more high tech and heavy industry jobs. Much of their equipment is based on our stuff, and in some cases improvements on it.

"Government at its best is a necessary evil, and at it�s worst, an intolerable one."
 Thomas Paine (from "Common Sense" 1776)