Jeff has been involved in aerospace journalism since the mid 1990s. Prior to joining Aviation Week, Jeff served as managing editor of Launchspace magazine and the International Space Industry Report. He has been the editor and chief of Aviation Week's Aerospace Daily & Defense Report since 2007 and has been a regular contributor to Aviation Week magazine. He received his B.A. from the College of William & Mary in Williamsburg, Va.
The Missile Defense Agency (MDA) is interested in proposals from industry on alternative methods of boost-phase ballistic missile intercept, as well as new ways of placing interceptor technology on ships, according to the agency's chief scientist.
The Army's howitzer-launched QuickLook unmanned aerial vehicle (UAV) is on schedule for its first full-system demonstration in September. QuickLook is an expendable, GPS-guided loitering UAV capable of transmitting imagery, providing target coordinates, and performing battle damage assessment for up to 45 minutes.
Discarded satellites in Russia's Glonass navigation constellation could eventually pose a threat to their operational brethren and to Global Positioning System (GPS) satellites, according to studies by the Aerospace Corporation. When disposed of, satellites in medium Earth orbit (MEO) are typically moved into different orbits or left where they are, rather than de-orbited. However, gravitational perturbations in MEO tend to cause orbits to become more eccentric, or oval-shaped, over time.
