Who said anything about the global market? Labor is the single biggest cost to the US military and the gap between What a US private earns and what a Chinese private earns is enormous. This is true of all Chinese labor; weapons and kit manufactured in country are all cheaper for them than imports. And the cost of US weapons are hugely inflated: in the US, the most important consideration in defense appropriations has long been steering the most jobs possible to the most congressional districts possible efficiency be damned.