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Wars of the United States |
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United States |
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This is a list of military conflicts, involving the United States in the 21st century.
This list is part of a larger series of list articles that cover the various wars involving the United States from its colonial roots to the present. They are:
For the criteria of what may be permitted on this list please refer to Lists of wars involving the United States.
US victory US defeat Ongoing conflict |
Conflict | Allies | Opponent(s) | Result for the United States and its Allies | Presidents of the United States |
---|---|---|---|---|
War in Afghanistan (2001–21) Part of the War on Terror and the Afghan conflict Location: Afghanistan ![]() | Post-invasion (2001–21)
Local forces: Invasion phase Local forces: | Post-invasion (2001–2021)
Supported by: Invasion phase Non-state allies:
| Afghan Taliban victory [8] [9] [10] [11]
| George W. Bush (October 7, 2001 – January 20, 2009) Barack Obama Donald Trump Joe Biden |
US intervention in Yemen (2002–present) Part of the War on Terror and the Yemeni Civil War Location: Yemen ![]() | ![]() | ![]()
Hadrami Domestic Council faction [17] [18] Supported by: | Ongoing
| George W. Bush (October 7, 2001 – January 20, 2009) Barack Obama Donald Trump Joe Biden Donald Trump |
Operation Freedom Eagle (2002–2017) Part of the Civil conflict in the Philippines, Operation Enduring Freedom and the War on Terror Location: Philippines ![]() | ![]() ![]() | ![]() ![]() ![]() ![]() ![]() | US-allied victory [27]
| George W. Bush (October 7, 2001 – January 20, 2009) Barack Obama Donald Trump |
Iraq War (2003–2011) Part of the Iraqi conflict and the War on Terror Location: Iraq ![]() | Post-invasion (2003–2011)
Local forces: Invasion phase Local forces: | Post-invasion (2003–2011)
Invasion phase | Inconclusive/Other Result [32] [33] [34] [35]
| George W. Bush (January 20, 2001 – January 20, 2009) Barack Obama |
US intervention in the Iraqi Kurdistan conflict (2003) Part of the Iraqi Kurdistan conflict, the Iraq War, and the War on Terror Location: Kurdistan Region, Iraq ![]() | ![]() Local forces: | ![]() | US-allied victory [50]
| George W. Bush (January 20, 2001 – January 20, 2009) |
US intervention in the War in North-West Pakistan (2004–2018) Part of the Insurgency in Khyber Pakhtunkhwa, the War in Afghanistan, Pakistan–United States skirmishes, and the War on Terror Location: Pakistan ![]() | ![]() Supported by: | US-allied victory [51]
| George W. Bush (January 20, 2001 – January 20, 2009) Barack Obama Donald Trump | |
Second US Intervention in the Somali Civil War (2007–present) Part of the War on Terror, Operation Enduring Freedom (Operation Enduring Freedom – Horn of Africa) and the Somali Civil War Location: Somalia ![]() | ![]() Supported by: African Union missions: | ![]()
| Ongoing
| George W. Bush (January 20, 2001 – January 20, 2009) Barack Obama Donald Trump Joe Biden Donald Trump |
Operation Ocean Shield (2009–2016) Part of the Operation Enduring Freedom (Operation Enduring Freedom – Horn of Africa) Location: Indian Ocean, Gulf of Aden, Guardafui Channel, Arabian Sea and Red Sea ![]() |
Non-NATO forces: | Somali pirates | US-allied victory [69]
| Barack Obama (January 20, 2009 – January 20, 2017) |
International intervention in Libya (2011) Part of the First Libyan Civil War Location: Libya ![]() |
Non-NATO forces: Libyan opposition: | ![]()
| US-allied victory [74]
| Barack Obama (January 20, 2009 – January 20, 2017) |
Operation Observant Compass (2011–2017) Part of the Lord's Resistance Army insurgency and War on Terror Location: Uganda, the Democratic Republic of the Congo, South Sudan, and the Central African Republic ![]() | ![]() Supported by: | ![]() | US-allied victory [77] [78]
| Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump |
US military intervention in Niger (2013–2024) Part of the Operation Enduring Freedom (Operation Juniper Shield), the War on Terror, the Jihadist insurgency in Niger and the War in the Sahel Location: Burkina Faso, Mali and Niger ![]() | ![]() Supported by: Training: | ![]() | Failure in suppressing jihadists [87] [88] [89] [90]
| Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump Joe Biden |
US-led intervention in Iraq (2014–2021) Part of the Operation Inherent Resolve, the War against the Islamic State, the War on Terror, the War in Iraq, and the Islamic State insurgency in Iraq Location: Iraq ![]() | ![]()
Local forces: | ![]() ![]() | US-allied victory [121]
| Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump Joe Biden |
US intervention in the Syrian civil war (2014–present) Part of the Operation Inherent Resolve, the War against the Islamic State, the War on Terror, and the foreign involvement in the Syrian civil war Location: Syria ![]() | Against Ba'athist regime:![]() ![]() Against jihadists:
Local forces: | Ba'athist regime:![]() Supported by:
Jihadists: | Ongoing US Intervention against jihadists
US Intervention against Assad government
| Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump Joe Biden Donald Trump |
Saudi-led intervention in the Yemeni civil war (2015–present) Part of the Yemeni Civil War and the Iran–Saudi Arabia proxy conflict Location: Yemen ![]() | ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Supported by: Local forces: | ![]() Supported by: | Ongoing
| Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump Joe Biden Donald Trump |
US intervention in Libya (2015–2019) Part of the Operation Inherent Resolve, the War against the Islamic State, the War on Terror and the Second Libyan Civil War Location: Libya ![]() | ![]() ![]() ![]() ![]() Local forces: | ![]()
| US-allied victory [202] [203]
| Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump |
SEAL Team Six operation in North Korea (2019) Part of the Korean conflict Location: North Korea ![]() | ![]() | ![]() | Operation failed [206] [207]
| Donald Trump (January 20, 2017 – January 20, 2021) |
Nigeria hostage rescue (2020) Location: Nigeria ![]() | ![]() | Gunmen | US victory [208]
| Donald Trump (January 20, 2017 – January 20, 2021) |
Russian invasion of Ukraine (U.S. involvement) (2022–present) Part of the Russo-Ukrainian War Location: Ukraine, Russia, and Black Sea ![]() | ![]() Indirect Support and Participation by: Supplied by: | ![]() | Ongoing
| Joe Biden (January 20, 2021 – January 20, 2025) Donald Trump |
Operation Prosperity Guardian (2023–2025) Part of the Red Sea crisis, Middle Eastern crisis, and the Yemeni Civil War Location: Red Sea, Gulf of Aden, and Yemen ![]() | ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Supported by: Operation Poseidon Archer: Operation Rough Rider: | ![]() | Inconclusive/Other Result [220] [221] [222] [223]
| Joe Biden (January 20, 2021 – January 20, 2025) Donald Trump |
Gaza war (U.S. involvement) (2024–present) Part of the Gaza–Israel conflict, the Israeli–Palestinian conflict, and the Middle Eastern crisis Location: Gaza Strip and Israel ![]() | ![]() Supported by: | ![]() Supported by: | Ongoing
| Joe Biden (January 20, 2021 – January 20, 2025) Donald Trump |
Israel–Hezbollah conflict (2024–present) Part of the Hezbollah–Israel conflict, the Middle Eastern crisis, and the Iran–Israel conflict during the Syrian civil war Location: Israel, Lebanon and Syria ![]() | ![]() Supported by: | Supported by: | Ongoing
| Joe Biden (January 20, 2021 – January 20, 2025) Donald Trump |
Iran–Israel war (2025) Part of the Middle Eastern crisis Location: Iran, Israel and West Bank ![]() | ![]() ![]() Defensive only: | ![]() ![]() | Inconclusive/Other Result [250] [251] [252] [253]
| Donald Trump (January 20, 2025 – Incumbent) |
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: CS1 maint: bot: original URL status unknown (link)George W. Bush gambled on surging thousands more troops to the embattled country. It paid off. Al-Qaeda in Iraq is now a diminished force without territory.
Al Qaeda in Iraq was decimated by the end of the Iraq War in 2011
The Washington Post's Pauline Jelinek, citing anonymous sources, described U.S. Special Forces accompanying Ethiopian troops. CBS news revealed that U.S. Air Force gunships were active over southern Somalia during the Ethiopian blitz. Through all the reporting, U.S. officials remained vague or silent on the subject of Washington's involvement. All the same, evidence was mounting that the U.S. had played a leading role in the Ethiopian invasion.
the December 2006 Ethiopian invasion, and subsequent two-year occupation, proved to be a prime catalyst for mobilization and the first critical juncture
Kurdistan's military forces... have taken over many of the northernmost positions abandoned by the national army, significantly expanding the zone of Kurdish control... 'In most places, we aren't bothering them [ISIS], and they aren't bothering us – or the civilians,' said Lt. Gen. Shaukur Zibari, a pesh merga commander.
Returning from a summit in the Saudi capital last week, opposition leaders say they were told directly by the foreign minister, Adel al-Jubeir, that Riyadh was disengaging.
Along with their American counterparts, Emirati special forces are said to be training elements of the opposition. They constitute a kind of Arab guarantee among the Syrian Democratic Forces – an umbrella group dominated by the Kurds of the PYD, on whom the US are relying to fight IS on the ground.
These militias have conducted over 170 attacks targeting US positions as part of this effort since October 2023.
North Korea's military support for Houthi rebels in Yemen is the latest manifestation of its support for anti-American forces.
Moscow is now supporting the Tehran-backed Houthi rebels who are fighting forces loyal to the U.S.-supported exiled president.
The port has been blockaded by the Saudi-led coalition for the past three years, a decision aid organizations say has been the main contributing factor to the famine that threatens to engulf half of Yemen's 28 million population.
The rebels, who control swathes of Yemen, are the biggest winners of this truce, analysts told AFP, with an official confirming they will keep targeting Israeli ships in the key maritime waterway.
Around 100 American military personnel in total will be sent to operate the system – the first time US troops have been deployed in combat in Israel during the current crisis.