"It doesn't have to be that way and it's not like the Afghans are going to be doing this without our help," Pentagon spokesman John Kirby said.
Arrington, who was overseeing cybersecurity for defence contractors, has been placed on leave.
"The United States took necessary, appropriate and deliberate action designed to limit the risk of escalation—but also to send a clear and unambiguous deterrent message," the Pentagon said.
Highly-anticipated report features 120 incidents involving UFOs examined by Pentagon officials over the last two decades.
Franz Gayl, the Pentagon civil servant warning against war with China, told Newsweek he turned to Communist Party tabloid Global Times to address "American foreign policy decision makers."
The U.S. government is expected to release a highly anticipated report on UFOs this week, sparking much interest in the possibility of alien life.
Two top Pentagon leaders said Thursday that an extremist group like Al-Qaida could regenerate in Afghanistan within two years following U.S. military withdrawal, which President Joe Biden announced would take place by Sept. 11.
Though politicians are quick to speak on behalf of members of the U.S. military to justify their warmaking, the evidence shows that support for withdrawal is actually higher among veterans than in the general public.
"If we don't talk about this now, we are going to sleepwalk into this conflict," Gayl said of a potential military action between the U.S. and China.
The Trump administration built about 450 miles of wall, moving quickly by waiving requirements for environmental reviews and mediation, though only about 52 miles were in areas where no barrier previously existed.
Congress rarely links poverty to militarism, but that's about to change.
Once relegated to the world of conspiracy theorists and science fiction, talk of UFOs has gained credibility lately when many mainstream news outlets have shown recently unclassified U.S. military footage of UFOs, potentially stoking the public's interest.
A Pentagon report due to be released to Congress this month doesn't link recent sightings of unidentified aerial objects to alien activity. Two officials familiar with the report say that the government believes it's more likely that the sighted objects were new technology from other countries.
Those civilian fatalities were reported in Iraq, Afghanistan, Somalia, Yemen, and Nigeria. The Pentagon said most of the civilian casualties were in Afghanistan, where 20 civilians were killed. However, non-governmental monitoring groups claim the reported number is below the actual total.
The images of Israel's Iron Dome missile defense system deployed against thousands of Hamas rockets fired from Gaza made clear that effective missile defense is a matter of life and death.
Beijing called for more sincerity from Washington on Thursday, after a U.S. defense official told Foreign Policy that the Pentagon was looking to establish more hotlines to avoid accidental clashes with China.
The Biden nominee, whose confirmation was rescinded without explanation on Wednesday evening, would be the first woman to serve as Army secretary.
We need to ensure elected and appointed officials remain in their constitutional lanes.
The report follows the official release in 2020 by the Department of Defense of three videos showing Unidentified Aerial Phenomena.
A report by the Director of National Intelligence and the Secretary of Defense on UFO analysis is due to be released by next month.
Thousands of soldiers, civilians and contractors operate under false names, on the ground and in cyberspace. A Newsweek investigation of the ever-growing and unregulated world of "signature reduction."
Russia said the U.S. convoy had taken a route "without prior notice" as friction over deconfliction efforts grows between Washington, D.C., and Moscow.
Prepared remarks obtained by the Associated Press reveal that Miller's upcoming testimony before Congress amount to the most detailed account of the Pentagon's actions following accusations that officials were slow to call in the National Guard.
A Chinese newspaper aligned with the country's government published a story that downplays the Pentagon's monitoring of potentially dangerous space debris from a Chinese rocket as "nothing but Western hype."
Russia's embassy in Washington tweeted that the U.S. presence in Syria was "primarily illegal."
Su Xiaohui told CCTV that Biden was deploying the U.S. military in an attempt to dispel fears that he would not stand up to Beijing.