S. Korea's indigenous KF-21 fighter jet conducts 1st formation flight with US aircraft

What happened: South Korea's KF-21 Boramae fighter jet conducted its first formation flight with US Air Force aircraft over the Yellow Sea, ahead of the biannual Freedom Flag joint air drills. Key numbers: KF-21 development completed in July; project launched in 2015; first production model assigned to the 16th Fighter Wing last month; more deployments planned by Why it matters: A South Korean Air Force official said the flight aimed to build KF-21 experience before the Freedom Flag drills, and the US Seventh Air Force said it demonstrated combined interoperability and combat readiness.

South Korea's KF-21 Boramae fighter jet conducted its first formation flight with US Air Force aircraft over the Yellow Sea, ahead of the biannual Freedom Flag joint air drills.

A South Korean Air Force official said the flight aimed to build KF-21 experience before the Freedom Flag drills, and the US Seventh Air Force said it demonstrated combined interoperability and combat readiness.