Green Touch Builders | Here's why two Air Force satellites yet to launch are already out of date
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Here's why two Air Force satellites yet to launch are already out of date

They cost more than $2 billion under a program that provides early warnings of a ballistic missile attack on the United States. But with designs that are about two decades old, the two new satellites to launch under the Space Based Infrared System might be out of date before they ever get off the ground.

SBIRS serves as a missile-warning system using a combination of orbiting infrared sensors and satellites. To replace the first two satellites on orbit by 2020 and 2021, the Air Force awarded a contract…