Earlier quoted context omitted.
Answer to the first question: in the United States, yes. Whether that is a bad thing is debatable and not suited for the site we're on; try a philosophy subreddit. The United States military has lost its privilege to play any form of moralism or rational justification after their actions over the past 30-50 years. It's no longer defense in most cases, it's assault. Korea, Vietnam, Iraq, the second Iraq, invading Afgh…
If you think that the only thing the U.S. military does is "assault" then you haven't really done any research at all, have you? Read up on force-projection, specifically as it relates to soft-power.
Force projection - do as we say or else.