President Donald Trump has nominated Gen. Charles Brown as U.S. Air Force chief of staff. If confirmed by the Senate he will be the first African-American officer to serve in the role.

The most contentious U.S. defense issue lawmakers will debate before crafting the fiscal 2021 defense policy bill is nuclear modernization, a senior lawmaker says.

As Boeing begins to manufacture T-7A Red Hawk engineering and manufacturing development (EMD) aircraft for Air Force testing, the company still is using its two production-representative jets to collect data.