Turkish President Recep Erdogan on June 28 reversed his opposition to NATO membership for Finland and Sweden, allowing the Scandinavian countries a clear path to joining the transatlantic alliance at a moment of heightened security concerns over Russia’s four-month-old war with Ukraine.

The U.S. military is preparing to send advanced air defense systems to Ukraine to better protect the country’s skies from threats including cruise missiles, as NATO leaders meet to determine additional aid for the nation in its war with Russia.

The perceived lack of responsiveness from Boeing has delayed the Air Force’s ability to finalize production contracts for the first lots of F-15EX fighters, the service's acquisition chief says.

The Netherlands government has decided to accelerate the purchase of Lockheed Martin F-35 Joint Strike Fighters and General Atomics MQ-9 Reaper UAS, citing concerns about a “strained” defense market.

Major NASA projects are experiencing their greatest collective cost overruns and schedule delays since annual reviews of the trend began in 2009, according to the Government Accountability Office’s (GAO) latest assessment to Congress.

The Pentagon is heading toward a substantial budget authorization increase after the House Armed Services Committee approved an additional $37 billion over the Defense Department’s request by a 57-1 vote early June 23.

The Taiwan Navy has grounded all of its Sikorsky S-70C(M) helicopter fleet after one crashed at Zuoying Naval Base on June 22, leaving four injured, including one critically.

The U.S. has committed about $6.3 billion in security assistance to Ukraine since the beginning of the Biden administration, including $5.6 billion…