Hello, Goodbye.

Matt Dooley, principal consultant for robotics and autonomous systems at John H. Northrop and Associates Inc., has taken over as the new chair of NDIA's robotics division.

Sierra Nevada Corp. announced that S. Sita Sonty has joined its Washington, D.C., office as vice president of international business.

L3 Technologies appointed Stephen F. O'Bryan as senior vice president and chief global business development officer.

Rear Adm. Michelle C. Skubic succeeded Rear Adm. Jonathan A. Yuen as commander, Naval Supply Systems Command and chief of Supply Corps at Naval Support Activity, Mechanicsburg, Pennsylvania, making her the first woman to lead the two organizations.

Brig. Gen. Robert A. Rasch, Jr., the Army's...