An excellent question.
Late last year Aviation Week and Space Technology had an item about the FAA allowing inspection of aircraft parts in Mexico, before they were shipped to the US. This cuts out the back and forth costs of time and money.
We know that many mfg. firms are moving across the border to escape the litigation, regulation and the unions that run the Democrats, and run the businesses out of the country. Now their move to another country is all for the better.
Mexico is welcoming them.
I’ve been saying that Obama’s plan to stop illegal immigration is to drive our economy south, in a couple of ways. Sadly, it’s driving our defense abilities south as well.