Composite Health Care System

Overview
The Composite Health Care System (CHCS) is an automated, integrated medical information system developed by the Department of Defense. The ultimate purpose of the system is to improve the quality of medical care and minimize the cost of providing it for over 8 million beneficiaries of DOD's health care system.

Source

 * Medical ADP Systems: Defense Achieves Worldwide Deployment of Composite Health Care System, at 1.