The United States Navy Reserve's birthday is March 3rd, which is the anniversary of the Naval Reserve Act's establishment in 1915. The Navy Reserve was created to prepare for World War I. 

Significance

• The Navy Reserve's mission is to provide the Navy and Marine Corps with operational capabilities and strategic depth. 
• The Navy Reserve has been deployed to many conflicts, including World War I, the Korean War, the Gulf War, and the Global War on Terror. 
• Navy Reserve members, also known as "citizen sailors", balance their civilian and military lives.