Department of Defense
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Dive Deeper Into Department of Defense
Air Force
The United States Air Force carries out its mission to "Fly, Fight, and Win—airpower anytime,…
- Choosing a Military Branch: Army vs. Navy vs. Air Force vs. Marines vs. Space Force
- Understanding the Shield: An Overview of the U.S. Air Force Structure and Mission
- Air Force Ranks and Insignia Explained: From Airman Basic to Four-Star General
Army
The United States Army is the largest branch of the U.S. military, tasked with land-based…
- Choosing a Military Branch: Army vs. Navy vs. Air Force vs. Marines vs. Space Force
- The U.S. Army: Structure, Mission, and Role in National Defense
- Understanding Military Ranks and Insignia: A Guide to the U.S. Army Structure
Defense Health Agency
The Defense Health Agency (DHA) is the U.S. Department of Defense’s joint combat support agency…
View All →Defense Logistics Agency
The Defense Logistics Agency (DLA) is a key combat support agency within the Department of…
View All →Marines
The United States Marine Corps is a premier maritime land force branch of the U.S.…
- Choosing a Military Branch: Army vs. Navy vs. Air Force vs. Marines vs. Space Force
- The U.S. Marine Corps: Structure, Mission, and Modernization
- Marine Corps Ranks and Insignia: A Guide
Navy
- Choosing a Military Branch: Army vs. Navy vs. Air Force vs. Marines vs. Space Force
- Understanding the U.S. Navy: Structure and Mission
- A Guide to U.S. Navy Ranks, Rates, and Insignia
- From Wooden Ships to Cyber Wars: The U.S. Navy’s 250-Year Evolution
- How a South Korean Shipbuilder Plans to Revive American Shipbuilding
Space Force
The U.S. Space Force, established in 2019, is the newest branch of the United States…
- Choosing a Military Branch: Army vs. Navy vs. Air Force vs. Marines vs. Space Force
- The United States Space Force: Securing America’s Interests in the Final Frontier
- A Guide to U.S. Space Force Ranks and Insignia
All Articles on Department of Defense
TRICARE For Life Cataract Surgery Coverage: Costs and How It Works
TRICARE For Life (TFL), in its role as a "wraparound" payer for Medicare, covers medically necessary cataract surgery. Whether it…
How a South Korean Shipbuilder Plans to Revive American Shipbuilding
The United States possesses the world's most powerful navy, yet it faces a profound industrial crisis. The domestic shipbuilding capacity…
How the NSC, Pentagon, and State Department Shape US Foreign Policy
In American government, few decisions carry more weight than those involving foreign policy and national security. Three institutions dominate this…
Should the Department of Defense Become the Department of War Again?
Former President Donald Trump and Defense Secretary Pete Hegseth have proposed renaming the Department of Defense back to its historical…
How America Tracks Nuclear Threats
Nuclear threat evaluation isn't a single task handled by one agency. It's a massive, ongoing operation that involves dozens of…
How America Responds to Nuclear Threats
America's nuclear response system operates around the clock, combining policy, technology, alliances, and public preparedness to prevent nuclear conflict. The…
How America Plans for Nuclear War
The United States maintains one of the world's most complex nuclear planning systems. It spans everything from high-level strategy documents…
Debating American Military Spending: Amount, Priorities
America spends more on its military than the next nine countries combined. That's nearly two-fifths of the world's total defense…