FEATURES Sharing the knowledge Defense Knowledge Online backers look to jump-start the DOD-wide Web site by piggybacking on the Armys successful portal. DOD means business Defense contracting shops continue to line up procurement vehicles tailored to the needs of their IT customers. DEPARTMENTS LETTERS FROM THE EDITOR Like many worthwhile endeavors, Defense Systems started as a vision derived from a need UPFRONT Experts to examine anti-IED methods at conference UPFRONT FCS undergoes another round of restructuring UPFRONT Software assessment program clues shipbuilders to threats, targets UPFRONT DKO project office plans work on portal migration UPFRONT Data sharing with coalition forces needs top-level push CIO VIEW A new Air Force for a new era LIFECYCLE VIEW Virtual community policing AGENCY RECON At the ready BEYOND THE DOG TAG A chat with Kevin Carroll, Army program executive officer for Enterprise Information Systems TOUR OF DUTY Army Lt. Col. John A. Nagl wrote the book on counterinsurgency. Literally.