Tom Bowman

Up to 2,000 U.S. troops are in Syria defending Kurdish allies. The threats come from regime forces, Iran, Turkey and even Russia.

American troops came under artillery fire in Syria this week. We have the latest on the fighting there and the U.S. involvement in the Syrian civil war.

The federal government's funding lapsed after Sen. Rand Paul stalled a vote. Also, a look at recent swings in the stock market and how the fight against ISIS in Syria is getting more complicated.

U.S. troops are on the ground in Syria training local forces to fight ISIS. But Turkish troops and their local allies are on verge of a confrontation with them.

In October, Kurdish militias captured the Syrian city of Raqqa with the help of U.S. planes and special forces. We report from inside the former ISIS stronghold.

A fourth large terror attack in Afghanistan in nine days resulted in 11 deaths at a training base. The attacks, split between ISIS and Taliban forces, seem to be an attempt to destabilize the nation.

In 1968, when U.S. officials were claiming the Vietnam War was nearly won, North Vietnam and the Viet Cong launched a devastating attack during the Tet holiday. It was a turning point in the war.

The Navy says commanding officers of the 2 vessels involved in separate collisions in the Pacific Ocean will face court-martial proceedings and possible criminal charges including negligent homicide.

What happened behind the scenes Saturday in the moments after the mistaken missile alert in Hawaii, and how is the federal government responding?

North Korea is known for its extensive military tunneling. Along with training thousands more troops, officials say the Pentagon is buying specialized gear such as night vision goggles.

U.S. troops have been in Syria fighting ISIS militants near the border with Iraq. More American diplomats and contractors are headed to Syria to help stabilize areas that have suffered years of war.

Defense Secretary Jim Mattis says contractors and diplomats will be sent to Eastern Syria to help stabilize the country. They will be protected by American troops already there. Mattis says that besides rebuilding, the increased American presence will make sure diplomatic efforts continue for the future of Syria. Both Russia and Syria have said U.S. forces should leave.

The Green Beret community is in a bitter internal debate over whether standards have been lowered for the U.S. Army elite force.

Army Gen. John Nicholson, commander of U.S. forces in Afghanistan, says more U.S. troops will be in harm's way by spring as they accompany Afghan troops into battle with Taliban forces. "We're going to win," the Nicholson says.

A C-2 Navy supply plane with 11 people aboard crashed in the Pacific while enroute to the Ronald Reagan aircraft carrier. Eight people were recovered in good shape and three remain missing.

The Air Force is under scrutiny for its failure to forward criminal records to the FBI. In particular, those regarding the conviction for domestic violence of the man who killed 26 people in Texas this week. Federal law prohibits such persons from buying firearms from a licensed dealer. Air Force Secretary Heather Wilson and Chief of Staff Gen. David Goldfein spoke about that issue on Thursday during a briefing about the future of the Air Force.

U.S. Marines have returned to Afghanistan's Helmand Province with a small training force. They are hoping a new Afghan general will lead his troops to success.

Democrats have won key races for governor in Virginia and New Jersey. Also, more details are emerging about the Texas shooter's past in the Air Force.

We have an update on the Air Force record of Devin Patrick Kelley, the man who shot and killed 26 people in Sutherland, Texas, including details on his time spent in a mental health institution.

A mistake allowed Devin Kelley to buy guns. Kelley opened fire on a church in Sutherland Springs. The Air Force failed to enter Kelley's assault arrest and conviction in a federal crime database.