These employees are free to exercise their right to (not) work for whomever they want, but the certainty they express (as well as most commenters here) in their own self-righteousness seems misplaced to me. There's certainly a case to be made that a strong US military is in the world's best interest. In fact, I would wager that a majority of Americans (and a majority of citizens of democratic countries across the wor…
The USA was formed on a basic distrust of the government, including checks & balances, and non-federal armament in the 2nd amendment. It is not allowed to be a single, trusted federal power, but rather one whose powers are defined by limited and explicit allowance, with default powers resting on the distributed states and people.
The notion that the USA should stand in a singular trusted and empowered situation over the rest of the world neither fits with fundamental American concepts, nor notions of robustness in general. Strength of militaries should be distributed among independent allies, not focused on any single point of failure or corruption.
The military strength of the USA certainly benefits the USA. But a singular point of above-and-beyond military strength is not a model of benefiting the world.