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US strikes Houthi missile sites in retaliation for Red Sea attacks
The strike followed Houthi attack on a merchant vessel Monday.
North Korea launches suspected intermediate-range ballistic missile
The launch was the North's first this year.
US Navy sinks Houthi small boats during hijack attempt in Red Sea
U.S. Navy helicopters returned fire, sinking three of the four boats and killing the crews.
New ICBM will take US nuclear missiles out of Cold War era
A new nuclear missile is coming, a gigantic ICBM called the Sentinel.
By Tara Copp, AP
Air Force asks Congress to shield nuclear launch sites from wind power
There are hundreds of underground silos spread across the U.S., in Nebraska, Colorado, North Dakota, Montana and Wyoming.
By Tara Copp, AP