Leadership Talks — Anomaly Response GPS World Interview: Don Jewell with Col. Mark Crews and Staff Apr 1, 2008 By: Don Jewell

Don Jewell, contributing editor for GPS World's military and government section, interviewed Col. Mark Crews (pictured above), chief engineer at the GPS Wing, U.S. Space Missile Command, regarding GPS anomalies that occurred in October 2007 that resulted in a great deal of concern in the international user and monitoring community.

Leadership Talks — Back to Basics Oct 1, 2007 By: Don Jewell

Colonel Dave Madden, the new GPS Wing Commander at the Space and Missile Systems Center at Los Angeles Air Force Base spoke with GPS World's contributing editor for military and government, Don Jewell, himself a former USAF commander at Schriever Air Force Base, deputy chief scientist at Air Force Space Command. and co-founder of the GPS Independent Review Team (IRT).

Leadership Talks — Wing Commander Mar 1, 2007

GPS World spoke with Col. Wesley A. Ballenger, Jr. (CB), Commander, GPS Wing, Space and Missile Systems Center, U.S. Air Force, in his office on January 31.