Author: RYAN BROWNE, CNN

Top Russian and US generals speak amid threats over Syria

America's top military officer, Gen. Joseph Dunford, spoke with his Russian counterpart Gen. Valery Gerasimov, on Tuesday, the same day Gerasimov threatened to target US forces in Syria should they retaliate against the regime's use of chemical weapons.

Mattis warns Syria against using chemical weapons

Secretary of Defense James Mattis has warned the Syrian regime against the use of chemical weapons, telling reporters Friday "you have all seen how we reacted to that, so they'd be ill advised to go back to violating the chemical convention."

US military says 'human error' caused blocking of key Afghanistan info

The independent watchdog charged with helping to oversee the war in Afghanistan claimed the Pentagon blocked it from publishing information about the control of territory in Afghanistan, a key metric that has been touted by US and Afghan officials as a benchmark to determine whether the US strategy is working.

US F-22s intercept Russian jets over Syria, fire warning flares

Two US F-22 stealth fighters intercepted two Russian aircraft Wednesday after the Russian jets crossed the Euphrates River in Syria, flying east of the "de-confliction line" that is supposed to separate Russian and US-led coalition aircraft operating over Syria, two US defense officials told CNN.