The National Weather Service said Saturday it wasn’t a large swarm of grasshoppers its radar imaging caught moving into northwest Utah after all. A week after announcing that alarming discovery, the ...

Summary and Key Points: The U.S. Air Force has awarded an $11.7 million contract to Armtec Countermeasures to enhance the F-22 Raptor’s radar countermeasure capabilities with the RR-196 chaff. -This ...

How chaff was invented in World War II. Roger Connor Whipple donated this packet of chaff, a cardboard envelope filled with hundreds of strands of aluminum. Center: A Boeing B-17 airman pushes chaff ...