The Department of War is America's largest government agency. With our military tracing its roots back to pre-Revolutionary times, the department has grown and evolved with our nation.

War is an armed conflict [a] between the armed forces of states, or between governmental forces and armed groups that are organized under a certain command structure and have the capacity to …

Dec 25, 2025 · War, in the popular sense, a conflict between political groups involving hostilities of considerable duration and magnitude. Sociologists usually apply the term to such conflicts only if …

Jan 30, 2026 · The Institute for the Study of War advances an informed understanding of military affairs through reliable research, trusted analysis, and innovative education.

The meaning of WAR is a state of usually open and declared armed hostile conflict between states or nations. How to use war in a sentence.

3 days ago · An internal document reveals Vietnam's military is preparing for a possible American war of aggression, viewing the U.S. as a "belligerent" power.

5 days ago · Russia’s invasion of Ukraine started the deadliest war on European soil in more than 70 years. Dmitry Medvedev, who serves as deputy chairman of Russia's Security Council, praised …

The Oxford English Dictionary defines “war” as “Armed conflict between nations, states, or rulers, or between groups in the same nation or state […], typically characterized by a campaign or series of …

War News Colombia's leader hopes new dialogue with Trump can "stop a world war" Colombia's left-wing President Gustavo Petro speaks with CBS News in a network exclusive interview about what a …

2 days ago · The original Vietnamese document titled “The 2nd U.S. Invasion Plan” was completed by the Ministry of Defense in August 2024, after Vietnam and the U.S. signed a new partnership.