Composed of an active-duty and two reserve components, learn about the Air Force’s structure and more key facts. Source: www.war.gov

Dive in and explore the Navy — from its traditions to leadership and structure, to the ships, submarines, aircraft and personnel that deliver a global reach. See how America projects power at sea. Source: www.war.gov

The boneyard at Davis-Monthan Air Force Base, Ariz., has powered America’s air dominance for decades. See how specialists restore, preserve and reactivate aircraft, keeping warfighters in flight. Source: www.war.gov

Year in Photos focuses in on the people and activities of the War Department around the world while highlighting the extraordinary work of military photographers who capture it all. Source: www.war.gov

The Department of War is America’s oldest and largest government agency, tracing its roots back to pre-Revolutionary times. Source: www.war.gov

Service members train and prepare year-round so when disasters strike, troops are ready to help those in harm’s way. Learn how you can prepare, too. Source: www.war.gov

The Allied troops who landed in Nazi-occupied France on D-Day successfully executed the largest air, land and sea invasion in history — and they did so amid stakes that couldn’t have been higher. Source: www.war.gov

From team to region — an interactive look at the Army’s organization structure and top things to know about America’s first service branch. Source: www.war.gov

Imagine spending all day, every day, practicing trick shots with a shotgun, taking out 10 moving targets with a pistol in six seconds flat, or perfecting your shot toward a target the size of a period. Source: www.war.gov

From defending America’s borders and fighting drug trafficking to changes in culture and business operations to better build the nation’s arsenal of freedom, President Donald J. Trump and Secretary of War Pete Hegseth are ushering in a new era characterized by peace through strength. Source: www.war.gov