An unknown number of troops are suffering from mysterious neurological issues that researchers suspect could be linked to blasts caused by their own weapons.

ABC News’ Anne Flaherty reports on preliminary research showing that blast waves from U.S. troops' own weapons and other explosive charges could be linked to neurological problems among soldiers.

The SAVES Act provides certified service dogs to eligible veterans. Master Sergeant David Crenshaw joins us with his dog Doc to discuss how "K9’s For Warriors" changed their lives.

On 7 acres in Brandywine, Maryland, former U.S. Army Special Forces counterintelligence agent Peter Scott is farming to help food-insecure veterans in the D.C. region.

ABC News’ Bob Woodruff and philanthropist Craig Newmark share a preview of the Woodruff Foundation’s annual “Stand Up for Heroes” event.

ABC News’ Anne Flaherty reports on the investigation into one of the biggest medical mysteries facing the U.S. military.

American airstrikes targeted Houthi facilities in Yemen on Saturday night, a U.S. defense official confirmed to ABC News.

The documentary "Fighting Spirit: A Combat Chaplain’s Journey" takes a look at the history of U.S. military chaplains and their service.

South Korea says the U.S. has flown a long-range bomber in a trilateral drill with South Korea and Japan in response to North Korea’s recent test-firing of a new intercontinental ballistic missile designed to strike the U.S. mainland

U.S. Central Command says the U.S. military has struck a number of Islamic State group camps in central Syria, killing as many as 35 militants

Sarah Roque, 23, was reported missing when she failed to report for duty Monday.

A person of interest has been taken into custody in connection to a suspected homicide involving a soldier on an Army base, officials announced Thursday.

Two U.S. service members were injured overnight in a raid in Iraq that targeted top ISIS leaders and killed "multiple" ISIS operatives, the Pentagon said Tuesday.

Two U.S. service members were injured overnight in a raid in Iraq that targeted top ISIS leaders and killed "multiple" ISIS operatives, the Pentagon said Tuesday.

The Navy on Sunday declared two aviators dead after their jet crashed in northeast Washington on Oct. 15.

The Houthis are backed by Iran and have taken credit for attacking ships in the Red Sea over the past year in response to the war in Gaza.

The U.S. military struck weapons storage facilities in Houthi-controlled Yemen, a U.S. official told ABC News.

The U.S. military struck weapons storage facilities in Houthi-controlled Yemen, a U.S. official told ABC News.

Civil rights activists and Air Force airmen lauded him during the ceremony.

More than 13,000 service members were kicked out under the policy between 1994 and 2011.

Former President Donald Trump says troops should be used to go after "radical left lunatics" to handle any Election Day chaos. Can he do that legally?

A United States Army soldier has been sentenced to 14 years in prison after he allegedly attempted to assist ISIS in conducting a deadly ambush on U.S. troops.

A Navy investigation revealed the two SEALS, who were part of a nighttime boat raid to stop missile components being shipped to Houthis, sank because of the weight of their gear.

U.S. and Iraq announce end of anti-ISIS coalition troop presence in Iraq could mean significant troop reduction in Iraq.

NATO troops, vessels and aircraft took to the frigid North Atlantic Ocean last month to sharpen their skills for a potential future war at sea.

Cadet 4th Class Avery Koonce was found unconscious in her dorm Wednesday night at the Colorado institution, the U.S. Air Force Academy said.

Ten people accused of assaulting two U.S. Marines in Turkey on Monday were arrested on Tuesday, according to the Criminal Court of Izmir.

Ten people were arrested in connection with Monday's attack on two U.S. Marines in Izmir, Turkey. U.S. service members are restricted to their vessels at the port.

More than a dozen people are under arrest after an apparent Anti-American incident was on caught on camera.

Seven U.S. personnel injured in Iraq raid that killed 15 ISIS members, officials said.

Travis King, the U.S. Army soldier who ran across the border from South Korea to North Korea last year, will plead guilty to desertion, his attorney said.

Sergeant First Class Chris Fulton, who was deployed in Iraq for the last 12 months, and his wife Jordan delighted their young daughters at a school assembly in Gilbert.

The Minnesota governor countered the Trump campaign’s line of attack as he met union members in Los Angeles following last weekend’s battleground blitz with Vice President Kamala Harris.

The U.S. is strengthening its capabilities in the region as tensions mount.

New drone attack on U.S. base in Syria could be the latest sign that Iranian-backed militias have resumed their attacks on U.S. bases in Iraq and Syria.

The military is taking new steps to reduce the chances of traumatic brain injury in troops nine months after an Army Reservist went on a shooting rampage.

Five American service members and two contractors were wounded in an attack on U.S. troops at Al Asad Airbase in Iraq. At least two rockets were fired at the base, according to a U.S. official.

Several American service members were injured after two missiles were launched at Al-Asad Airbase, officials said.

A "post-attack damage assessment" was being conducted, a spokesperson said.

A "post-attack damage assessment" was being conducted, a spokesperson said.

Iran has vowed revenge for the assassination of a top Hamas leader in Tehran. The Biden administration is also working to de-escalate tensions in the region.

The U.S. military conducted a defensive airstrike south of Baghdad, Iraq, on Tuesday, according to two U.S. officials.

The family of Peter Chounthala, a Marine who died after he was assaulted and then struck by a vehicle in a hit-and-run, are pleading with the public to come forward.

ABC News senior Pentagon reporter Luis Martinez has the details on the interception.

A sailor tried to access President Joe Biden's restricted medical records in February, the Navy revealed Tuesday.

Best friends U.S. Marine Corps Sgt. Isaac Weissend and Marine Corps veteran Dalton Stone were reunited with the military dogs they handled in service, overseas.

U.S. moves USS Wasp and Marines to Eastern Mediterranean as tensions continue to rise between Israel and Hezbollah

Several U.S. military bases across Europe are now operating under a heightened state of alert, ABC News has confirmed.

The level was raised to the second highest state of alert, which applies when intelligence indicates some form of terrorist action is likely, according to the Army.

Lawmakers questioned Pentagon officials about the aircraft's safety record.