The Pentagon is warning that Republicans’ decision to abandon a congressional spending plan will cost more than 2 million troops their paychecks over the holidays unless some agreement is reached before Friday’s deadline to prevent a government shutdown.

The United States has more than doubled the number of its forces in Syria to fight the Islamic State group.

Mysterious drones have been reported flying over the eastern United States in recent weeks, sparking speculation and concern over who is flying them and why.

Lebanon said it is closing all land border crossings with Syria except for a main one that links Beirut with the Syrian capital Damascus.

The U.S. Defense Department says Yemen’s Houthi rebels targeted two U.S. Navy warships with multiple drones and missiles as they were traveling through the Bab el-Mandeb Strait on Tuesday.

The Pentagon says Defense Secretary Lloyd Austin is sending additional bomber aircraft and Navy warships to the Middle East to bolster the U.S. presence in the region.

The FBI says it's investigating the unauthorized release of classified documents on Israel’s preparation for a potential retaliatory attack on Iran.

Iraq's prime minister says the Islamic State militant group’s leader in Iraq was killed in a military operation along with eight of the group’s other senior leaders.

The Pentagon says the United States will send a Terminal High Altitude Area Defense battery to Israel along with troops needed to operate it.

The Pentagon says the U.S. is sending a small number of additional troops to the Middle East in response to a sharp spike in violence between Israel and Hezbollah forces in Lebanon that is raising the risk of a greater regional war.

Yemen’s Houthi rebels have shot down two American MQ-9 Reaper drones in under a week, further highlighting the regional spread of the Israel-Hamas war.

The Defense Department says a Navy sailor tried to access President Joe Biden’s medical records early this year, but no personal information was compromised.

The U.S. military says it plans to stockpile humanitarian aid shipments on a secure beach in Gaza during a U.N. pause on distributing food from the American-built pier.

Defense Secretary Lloyd Austin has undergone a medical procedure at Walter Reed National Military Medical Center and has resumed duty after temporarily transferring power.

An internal review about Defense Secretary Lloyd Austin’s hospitalization for complictions from prostate cancer surgery blames privacy restrictions and staff hesitancy for the Pentagon’s failure last month to quickly notify the president and other senior leaders.

Defense Secretary Lloyd Austin has been hospitalized again following symptoms pointing to an “emergent bladder issue."

The Pentagon has completed its review of Defense Secretary’s Lloyd Austin’s failure last month to quickly notify the president and other senior leaders about his hospitalization for complications from prostate cancer surgery and how the notification process can be improved.

Both the White House and Pentagon say they will look into why President Joe Biden and other top officials weren’t informed for days that Defense Secretary Lloyd Austin had been hospitalized.

Defense Secretary Lloyd Austin has been hospitalized since Monday, due to complications following a minor elective medical procedure.

The Pentagon says the five armed assailants captured by U.S. forces after seizing a commercial ship near Yemen over the weekend were likely Somali and not Iranian-backed Houthi rebels.

Yemen’s Houthi rebels have for the first time claimed missile and drone attacks targeting Israel.

The Pentagon says U.S. fighter jets launched airstrikes early Friday on two locations in eastern Syria linked to Iran’s Revolutionary Guard Corps.

The prospect of Israeli forces launching an assault into Gaza’s dense urban neighborhoods is bringing back searing memories of the deadly battles the U.S.-led coalition fought against the Islamic State group in Iraq and Syria.

The White House is developing “prudent contingency planning” to evacuate Americans from the Middle East in case the Israel-Hamas war spreads into a broad regional conflict.

U.S. forces in the Middle East are facing increasing threats.

The Biden administration will send 1,500 troops to the U.S.-Mexico border amid an expected migrant surge following the end of coronavirus pandemic-era restrictions.

The Pentagon says an additional six troops were injured in attacks last week in northeastern Syria that U.S. officials have blamed on Iranian-backed militants.

The Pentagon says it is speeding up its delivery of Abrams tanks to Ukraine, opting to send a refurbished older model that can be ready faster.

A group of 65 Ukrainian soldiers are wrapping up their training on the Patriot surface-to-air missile system in Oklahoma.

The Pentagon says the Chinese balloon shot down off the South Carolina coast was part of a large surveillance program that China has been conducting for “several years."

A huge, high-altitude Chinese balloon is sailing across the U.S. The spectacle drew severe Pentagon accusations of spying on Friday, while sending some excited or alarmed Americans outside with binoculars.

Netherlands Prime Minister Mark Rutte said that his country plans to "join" the U.S. and Germany’s efforts to train and arm Ukraine with advanced Patriot defense systems.

The Pentagon says about 100 Ukrainians will head to Oklahoma’s Fort Sill as soon as next week to begin training on the Patriot missile defense system.

U.S. officials say the Pentagon will expand military combat training for Ukrainian forces, using the slower winter months to instruct larger units in more complex battle skills.

Russia’s Foreign Ministry is warning that if the U.S. delivers sophisticated air defense systems to Ukraine, those systems and any crews that accompany them would be a “legitimate target” for the Russian military.

The Biden administration says Russia has given notice that it intends to stage routine drills of its nuclear capabilities amid heightened tensions over the war in Ukraine.

The Pentagon will deliver the first two advanced NASAMS anti-aircraft systems to Ukraine in the next two months, providing Kyiv with a weapon that it has pressed for since earlier this year.

A newly downgraded U.S. intelligence finding says the Russian Ministry of Defense is in the process of purchasing millions of rockets and artillery shells from North Korea for its ongoing fight in Ukraine.