The secretary of state said that the United States would continue to work with Egypt and neighboring states "to strengthen interoperability, integrated air and missile defense and maritime security."
Speaking about nuclear weapons, Kirby said Russia didn’t create any new threats to the US. "I would just tell you that we've seen nothing that gives us a cause or reason to change our deterrent posture at this time," he said.
The Pentagon has called on Turkey to halt its military offensive into Syria, warning of “serious consequences” if it does not comply.
Saudi Arabia’s King Salman bin Abdulaziz approved hosting US forces in the Kingdom to boost regional security and stability.
Training by Turkish pilots on F-35 fighter jets has come to a faster-than-expected halt at a U.S. air base in Arizona.
"We have started the process of returning U.S. troops home from Syria as we transition to the next phase of the campaign," she said.
U.S. President Donald Trump has backed plans to request $750 billion from Congress for defense spending next year.
The United States and South Korea have scaled down a joint military exercise scheduled for the spring of 2019 to facilitate nuclear talks with North Korea.
U.S. President Donald Trump said on Wednesday the United States could send as many as 15,000 troops to the border with Mexico.
Pentagon has been slow to protect major weapon systems from cyber attacks and routinely found critical vulnerabilities that hackers could potentially exploit.
Two or more packages delivered to the Pentagon this week were suspected to contain the deadly poison ricin, an official said Tuesday.
U.S. Defense Secretary Jim Mattis on Tuesday flatly dismissed reports suggesting he may be leaving President Donald Trump's administration.
The U.S. military announced Saturday that it has made its “final decision” to suspend $300 million in aid to Pakistan.
Trump said he had cancelled a military parade planned for November due to high costs -- hours after the Pentagon indefinitely postponed the much-maligned event.
A U.S. official said it was unclear exactly what caused the postponement but the increased cost of the event had caused concern and could be one reason.
President Donald Trump's administration has quietly started cutting scores of Pakistani officers
The White House said in February the new deal would save taxpayers more than $1.4 billion, but those savings could not be independently confirmed.
The Pentagon said on Saturday that U.S. strikes in Syria overnight had successfully hit every target.
US Defense Secretary James Mattis said Monday his country has not ruled out launching airstrikes against Syrian President Bashar al-Assad.
The U.S. military policy towards fighting Islamic State militants in Syria remains the same following discussions with President Donald Trump this week.