The 2018 omnibus spending bill proposed this week requires the Air Force to brief Congress on the cost and schedule associated with its new Space-Based Infrared System strategy and designates overhead persistent infrared as a special interest item. The Air Force's fiscal year 2019 budget request reflected a long-awaited acquisition strategy for the follow-on to SBIRS, scrapping plans to develop two additional SBIRS Geosynchronous satellites for the current program of record, and shifting focus to the new effort, dubbed Next-Generation...