The finalists, Lockheed Martin's F-35 stealth fighter and Saab's Gripen, surprised many as American aerospace giant Boeing's Super Hornet was left out.
After the sale was initiated during the Trump administration, President Joe Biden is slowing it and seeking clarifications.
The secretary of state warned against "unilateral actions that change the status quo by force" across the Taiwan Strait.
"We did not—and do not—earn this money easily," Erdogan said. "Either they will give us our planes or they will give us the money."
The new design features artificial intelligence to help pilots and can be converted to an unpiloted version and a two-seat model.
Russia deployed fighter jets to Syria for drills in a show of force amid high tensions with Britain.
Russian defence minister Sergei Shoigu said that starting Friday, Russian troops would leave positions along the Ukrainian frontier.
The aircraft was on a routine training mission when the crash occurred. Emergency responders are currently on the scene in an attempt to find the missing pilot and aircraft.
Just hours after Trump threatened to "obliterate" Turkey's economy, he described the country as one of America's biggest and most honest trading partners
Relations between NATO allies the U.S. and Turkey have been strained by Ankara's decision to purchase the Russian-made S-400 anti-aircraft system.
Yi-Chi Shih sourced sensitive microchips from an American company whose customers include the U.S. Air Force and DARPA.
State media dismissed criticism after two Chinese fighter jets crossed the "middle line" between the mainland and Taiwan on Sunday.
The country's pacifist constitution has long prevented governments from attaining carriers.
The passenger was apparently so unruly that North American Air Defense scrambled fighter jets to assist.
"After years of military modernization, China shows the ability to wage war against Taiwan for the first time since the 1950s," the GOP senators wrote in a letter.
The Russian jets didn't broadcast the proper codes to air traffic control.
The aircraft left its base in the U.S. territory of Guam before joining two Japanese F-15 fighters to take part in the drills.
The surveillance plane was 150 miles southeast of Hong Kong in international airspace when a Chinese aircraft flew in front of it, restricting its ability to maneuver.
It was the first time British fighter jets have responded since the Typhoons were deployed in late April.
Both countries have been carrying out airstrikes in Syria.