The Syrian military rushed reinforcements to the northwest and launched airstrikes Sunday in an attempt to push back insurgents who seized the country’s largest city of Aleppo, as Iran pledged to help the government counter the surprise offensive. Iran has been a key political and military ally of Syrian President …

The U.S. Navy is transforming a costly flub into a potent weapon with the first shipborne hypersonic weapon, which is being retrofitted aboard the first of its three stealthy destroyers. The USS Zumwalt is at a Mississippi shipyard where workers have installed missile tubes that replace twin turrets from a …

Biden Administration Eases Restrictions on Use of US-Provided WeaponsIn a major development, the Biden administration gave Ukraine permissionto use American long-range weaponry, particularly the Army Tactical Missile System (ATACMS), to strike military targets inside Russia. Subsequently, the French newspaper Le Figaro reported that France and the United Kingdom had followed …