Military usa Founded in 1775, the Marines are an elite fighting force with the courage to engage in every battle—and the will to win. S. Choose any military branch for detailed fact sheets on pay, bonuses, responsibilities, and promotion information for all ranks and paygrades from E-1 to O-10. This section duplicates the scope of other articles, specifically List of active United States military aircraft#Air Force. Responsibility for personnel, equipment, and mission grows with each increase in rank. Learn more about the history of the U. Tasked with land-based military operations, it plays a vital role in the defense and security of the United States, responding to both domestic and international threats. On this page, awards are in displayed in the Order of Precedence. The selected countries for comparison, United States and Iran , are displayed below in side-by-side format. This survey offers insights into each country's military expenditure, armed forces size, GDP, population, labor force, and other key metrics from 2009 to 2019. wvvlpuxqfnrabweslldbtotytxzvadxsutyhwcvqnbahiifrgptdvacxownrbssiexqxdazkun