Whether you’re interested in active duty, army reserve, or army national guard, there are many ways to serve. Explore the possible army careers and contact an army recruiter. The department of defense (dod) provides the military forces needed to deter war, and to protect the security of the united states.
Five of the branches, the united states army, united states marine corps, united states navy, united states air force, and united states space force, are part of the department of defense. To deploy, fight and win our nation’s wars by providing ready, prompt and sustained land dominance by army forces across the full spectrum of conflict as part of the joint force. Army covering the americas, middle east, europe, asia and pacific and more.
Share sensitive information only on official, secure websites. The department of war provides the military forces needed to deter war and ensure our nation's security. Learn how you can prepare, too. The latest news and information from the u.s.
The department of war has many components aside from the service branches.