The problem systems

* Collaborative tools

* Cryptologic systems

* Defense Information Systems Network

* Defense Message System

* Global Command and Control Systems

* Global Command and Control System — Korea

* Global Transportation System

* Information Dissemination Management

* Joint Operations Planning and Execution System

* Joint Defense Information Infrastructure Control System/Joint Management

Network Management System

* Modernized Integrated Database

* Multilevel security

* Public-key infrastructure

* Satellite communications

* Strategic Warplanning System/Nuclear Planning and Execution System

* Tactical Data Links and Message Test Formats

* Theater Battle Management Core Systems

* Tri-Tac Mobile Subscriber Equipment collaborative tools

* Videoconferencing