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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.
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