Both Ukrainian and U.S. officials say the military package is a sign Ukraine's military is effectively using the weapons against Russia's invasion.
Russia's president accused the U.S. of being directly involved in the Ukraine war by providing military aid.
The General Staff of the Armed Forces of Ukraine said forces are giving "a worthy rebuff to the Russian aggressor."
Colin Kahl told a UN conference in New York that global security was at its most challenging since the Cold War.
The U.S.-sourced weapons system is touted as a "game-changer" in the conflict, but has Russia taken down any of them? Newsweek Fact Check looked at the claims.
A Pentagon official praised Ukraine for shooting down Russian planes and stopping Moscow's forces from targeting its own aircrafts.
Recruitment problems are a symptom of the failure to educate and cultivate genuine military leaders.
A top Biden administration official has explained how the U.S. plans to contain Chinese aggression in the Pacific in coordination with American allies.
The Ukrainian president told the New York Post that "inflation is nothing" compared with the plight faced by his people.
The Ukrainian armed forces have been using the weapons in a counter-offensive in the south, mainly focusing on Russian-occupied Kherson.
Washington is committed to send Ukraine as many as 580 Phoenix Ghost drones that can hang in the air for up to six hours before honing in on a target and destroying it.
A senior U.S. defense official told reporters that Russia's "capabilities are getting dumber."
"To date, those systems have not been eliminated by the Russians, and I knock on wood every time I say something like that," said General Mark Milley.
The U.S. Air Force chief of staff, Gen. Charles Q. Brown Jr., said there were a "number of different platforms that could go to Ukraine."
The new All-domain Anomaly Resolution Office will expand upon U.S. military efforts to study "unidentified aerial phenomena."
Russian officials claimed Ukrainian servicemen had been experimented on in biological laboratories funded by the U.S. government.
Vladimir Putin has warned that Zircon missiles will enable Russian warships to strike "decision-making centers" within minutes.
Kyiv has claimed battlefield success from using the High Mobility Artillery Rocket Systems (HIMARS).
"It doesn't make sense that we should rely on folks like China and others for our own national security interests," Republican Senator Joni Ernst told Newsweek.
The Defense Department announced more missile systems and ammunition are being provided to Ukraine.
One lawmaker said he "wonders when we are just going to get the amendment to have a trillion-dollar defense budget because it seems that's where we are going."
The Pentagon announced the third arms package of the year for Taiwan on Wednesday.
"One of the biggest challenges we have in the future is protecting the nation from a cyberattack and being able to win a cyberwar," Gillibrand told Newsweek.
"This is Ukraine's fight. It's not the United States' fight," said Defense Secretary Lloyd Austin.
The congressman has previously called for more transparency from the government in investigations of Unidentified Aerial Phenomena—a term more commonly used by officials than UFO.
The Taliban will "likely loosen its restrictions on Al-Qaeda" within the next year or two, a new report warned.
U.S. intelligence officials testified on Tuesday before the House Intelligence Committee to answer questions about UFOs and UAPs.
A government hearing on Tuesday will feature testimony from two defense officials regarding reports of unidentified aerial phenomena.
Top security officials are set to provide testimony on potential threats posed by UFOs in a congressional hearing next week.
"Zelensky doesn't really need a no-fly zone," an expert told Newsweek when discussing Russia's failure to establish air superiority in Ukraine.