National Security

Defense Advanced Research Projects Agency Director Steven Walker is stepping down from his position and heading to industry, the organization announced Dec. 17. Walker has led the agency since November 2017, having previously served as the agency’s acting director and deputy director.
A Dec. 16 US airstrike near Dujuma, Somalia, killed one member of the al-Shabaab terrorist organization without harming any civilians, according to US Africa Command assessments. It was the second American airstrike targeting the group within Somali borders in seven days.
The Air Force and the Strategic Capabilities Office on Dec. 12 tested a prototype version of a conventional, ground-launched, intermediate-range ballistic missile at Vandenberg AFB, Calif. The Air Force launched the new missile at 8:30 a.m. Pacific time. It “exited its static launch stand and ...
The military is reviewing its security precautions and vetting of foreign nationals training at US bases following the Dec. 6 shooting at NAS Pensacola, Fla., but military officials are cautioning about cutting back on this training in the future. Air Force Chief of Staff Gen. ...