Two leading rival blocs of the Iraqi parliament condemned Trump's visit as a "blatant violation of Iraqi's sovereignty," while Iran-backed militias called for U.S. troops to be ousted.
"What [presidents] don't do is politicize the event, and unfortunately, as we saw some of the commentary by the president today, that's exactly what he did," retired Lieutenant General Mark Hertling told CNN.
From missiles capable of "delivering cargo to any part of the world" to female soldiers who "will blow your head away," the Russian military is setting up an exciting 2019.
Russian Defense Ministry spokesperson General Igor Konashenkov criticized Israel's "provocative actions," which allegedly threatened two passenger planes in Syria and Lebanon.
A defense source told Russian state media that "the underwater trials of the nuclear propulsion unit of the Poseidon drone are underway."
Russian Foreign Minister Sergey Lavrov said that "there is no doubt that there can be no winners in a nuclear war and it should never be unleashed."
"We pose no threat to any country but if the enemies seek to implement their malicious intentions and attack us we will be absolutely aggressive," the Revolutionary Guards ground forces chief said.
Russia has again reportedly tested the 3M22 Tsirkon anti-ship hypersonic cruise missile, which flew at eight times the speed of sound.
"It's disgusting that the Trump Administration is sending some men and women in uniform home for the holidays without jobs simply because of their HIV status," said Scott Schoettes, Counsel and HIV Project Director at Lambda Legal.
A new report evaluates the impact and likelihood of wars in the South China Sea, the Middle East, Korean Peninsula, Europe, Latin America, South Asia and more.
Iran's top diplomat criticized Israeli Prime Minister Benjamin Netanyahu for bragging about "offensive missiles" that "can reach anywhere."
Over 18,000 exercises and training sessions were conducted in the past year and new ones are being planned for 2019, Russia's defense minister said.
A comprehensive government report has warned the U.S. will face a host of cutting-edge weapons in coming years.
The control over the ionosphere has become an ambitious project for some military forces.
Russia, Syria and Iran want the U.S. out of a unilaterally-declared base at Al-Tanf. How far are they willing to go?
Russia and China's efforts to boost bilateral ties have also drawn other regional powers, but Asia's complex political dynamics meant there were no clear alliances.
Senators have for the first time used the powers afforded to them by the 1973 War Powers Resolution to block U.S. support for Saudi Arabia.
From fighter jets to cyber security—how do the Middle Eastern giants compare?
"We are builders of peace and not war," Venezuelan Defense Minister Vladimir Padrino said.
Chinese Senior Colonel Dai Xu said "we won't allow U.S. warships to create disturbance" and "should be ready to take over Taiwan."
Iraq and Syria both declared victory against ISIS late last year, but the jihadis have maintained a presence in the face of pro-government and U.S.-led airstrikes in the latter.
Russia's new stealth jet is reportedly set to be equipped with hypersonic missiles said to be invincible to all current defense systems.
Security forces were set to send in a dozen VBRGs, which had previously been deployed in Kosovo and the Ivory Coast; each VBTG can carry a 7.62 mm machine gun, a 40 mm grenade launcher and a bulldozer-like blade.
As the U.S. threatened to end the INF treaty, Russia's top diplomat said the White House was "preparing the grounds to destroy" the New START as well.
The Peresvet laser complex was placed on experimental combat duty on December 1 after Russian servicemen underwent special training to use the weapon.
The U.S. Navy sailed near the Peter the Great Bay "to challenge Russia's excessive maritime claims" a week after taking on China in the South China Sea.