Missile Warning Satellite Completes Preliminary Design Review

On October 10, the U.S. Air Force announced that its Next Generation Overhead Persistent Infrared (OPIR) satellite program completed a preliminary design review on September 27. Designed to detect and track missile launches, the first block of Next Generation OPIR includes five satellites, three of which will be stationed in geosynchronous orbit. According to the Air Force, the review verified ground and space systems for the three geosynchronous satellites. The first OPIR satellite is expected for delivery in 2025.