"chestfeeding"
it is spoilered for a reason.
>> DOD security Q clearance right?
If the rockets he is making could eventually be repurposed into nuclear defense, yes this is plausible.
Gooks are Korean, and the origin is thought to be the word "miguk", meaning "America" which would have sounded as "me gook" to an American soldier. To go further on this , Chinese soldiers were sent to fight in the Korean war (and didn't know they weren't in China), so this could be the origin of that saying.
Phones are the classic method of control, so it is doubtful that they used something different.