KB - In fact the trend is for the US to become less of a factor in international markets as its over-spec'd products cease to be affordable solutions to anyone's needs.
The US no longer exports most land-warfare weapons (GD is a big player in armored vehicles, but through Euro subsidiaries) and has not exported a warship in decades. With the exceptions of Apache and Chinook, the US has been pushed out of most helicopter markets. The A400M and KC-390 will outlast the C-17 in production and the latter will start to eat the C-130E/H replacement market. The only places where the US is strong in large UAVs are MidEast markets who don't buy stuff from Those People.
JSF is the US industry's last stand in the fighter market.