Category:21st-century military history of the United States

• 21st-century history of the United States Air Force (1 C, 25 P)
• 21st-century history of the United States Army (2 C, 21 P)
• United States Marine Corps in the 21st century (2 C, 22 P)
• United States Navy in the 21st century (4 C, 39 P)

I

• United States in the Iraq War (8 C, 30 P)

M

• Battles and operations of the Mexican drug war involving the United States (13 P)

S

• American involvement in the Somali Civil War (2 C, 9 P)
• American involvement in the Syrian civil war (3 C, 16 P)

T

• War on terror (20 C, 162 P)

0–9

• 190th Fighter Squadron, Blues and Royals friendly fire incident

A

• Amalgam Virgo
• American defense of Taiwan
• American military intervention in Somalia (2007–present)
• 2024 Anbar raid
• 2008 Andersen Air Force Base B-2 accident
• Attacks on the United States (2000–present)

C

• Dan Caldwell (defense official)
• 2009 California mid-air collision
• Combined Joint Task Force – Horn of Africa

G

• United States support for Israel in the Gaza war
• Gorom-Gorom rescue operation
• 2008 Guam B-52 crash
• Guantanamo Bay files leak

H

• Raid on Al Hathla

I

• Iran–U.S. RQ-170 incident
• Israeli retaliation leak

J

• Operation Jump Start

K

• Assassination of Qasem Soleimani

L

• Legislative history of United States four-star officers from 2017
• Legislative history of United States four-star officers, 1980–2016
• List of wars involving the United States in the 21st century

N

• 2011 NATO attack in Pakistan

O

• Operation Assured Delivery
• Operation Burnt Frost

P

• 2022–2023 Pentagon document leaks
• Proliferation Security Initiative
• Proposed United States invasion of Venezuela

R

• Raid on Yakla

S

• Stolen Valor Act of 2005

U

• U.S. military response during the September 11 attacks
• 2007 United States Air Force nuclear weapons incident
• United States government group chat leaks
• United States invasion of Afghanistan
• United States v. Choi
• US military intervention in Niger