Several thousand Iraqi federal police are ready to join the assault against Islamic State in east Mosul, a spokesman said on December 12, reinforcing troops who have faced weeks of fierce counter-attacks from the militants.
The US partnership with Turkey in countering Islamic State is "very strong," US Defense Secretary Ash Carter said at a news conference on October 20.
The United States will send around 600 new troops to Iraq to assist local forces in the battle to retake Mosul from Islamic State that is expected later this year, US and Iraqi officials said on September 28.
Japan will step up its activity in the contested South China Sea through joint training patrols with the United States and bilateral and multilateral exercises with regional navies, Japanese Defense Minister Tomomi Inada said on September 15.
Turkey vowed to root out allies of the US-based cleric it blames for an abortive coup last week, widening a purge of the army, police and judiciary on July 19 to universities and schools, the intelligence agency and religious authorities.
The United States is stepping up its military campaign against Islamic State by sending hundreds more troops to assist Iraqi forces in an expected push on the city of Mosul, the militants' largest stronghold, later this year.
The NATO alliance agreed on June 15 to hold onto its broad geographic layout of bases in Afghanistan, a move that could make it easier for the United States to keep more troops there as Kabul struggles with a resurgent Taliban threat.
US Defense Secretary Ash Carter urged China on June 4 to join a "principled security network" for Asia, saying that the United States would remain the world's most powerful military and the main guarantor of regional security for decades to come.
US Defense Secretary Ash Carter said on May 4 that Washington and its allies had agreed to do more in their campaign to defeat Islamic State but that more risks lay ahead.
Islamic State militants killed a US Navy SEAL in northern Iraq on May 3 after blasting through Kurdish defenses and overrunning a town in the biggest offensive in the area for months, officials said.
President Barack Obama will have the chance to decide on whether to increase the number of US forces in Iraq in the "coming weeks," the top US general said on March 30.
US Defense Secretary Ash Carter on March 1 warned China against "aggressive" actions in the East Sea region, including the placement of surface-to-air missiles on a disputed island.
Six American troops were killed in Afghanistan on December 21 when a suicide bomber on a motorbike struck their patrol near Bagram air base, officials said, the deadliest attack on US forces this year.
The United States is prepared to deploy advisers and attack helicopters if requested by Iraq to help it "finish the job" of retaking the city of Ramadi from Islamic State, US Defense Secretary Ash Carter said on December 9.
The United States said on December 1 it was deploying a new force of special operations troops to Iraq to conduct raids against Islamic State there and in neighboring Syria, a ratcheting up of Washington's campaign against the group that was quickly rejected by Iraq's government.
U.S. Secretary of Defense Ash Carter will visit a U.S. aircraft carrier transiting the East Sea on November 5, a move sure to raise the ire of China as tensions between Washington and Beijing simmer over the disputed waterway.
The United States will deploy dozens of special operations troops to northern Syria from next month to advise opposition forces in their fight against Islamic State, a major policy shift for President Barack Obama and a step he has long resisted to avoid getting dragged into another war in the Middle East.
The US Department of Defense will seek to make "condolence payments" to families of victims of a US air strike that mistakenly hit a Medecins Sans Frontieres hospital in Kunduz, Afghanistan, killing 22 people, the Pentagon said on October 10.
Russia moved on October 6 to resume military talks with the United States aimed at setting rules for air-to-air conduct over Syria, said US Defense Secretary Ash Carter, as the former Cold War foes carry out parallel, uncoordinated campaigns of air strikes.
US Defense Secretary Ash Carter met a top Chinese general on June 11 and repeated a US call for a halt to land reclamation in the East Sea while stressing that the Pentagon remained committed to expanding military contacts with China.