Typically you just need to unlock the domain, obtain an authorization code from your current registrar, and then initiate the transfer process with the new registrar.
No. The president is the commander in chief. I can't remember the president or the situation but a long time ago a president attacked and said "I'm sending the troops" then senate/congress had to approve it or troops would be stranded.
You have to wait at least 8 months (it varies) to get a suppressor when you buy one. You also have to submit passport photos, get finger printed by either the sheriff or police chief, and then wait. This is in addition to a regular NICS type check.