US marks 9/11 attacks amid drumbeat of political violence
The remembrances today are being held during a time of increased political tensions.
By Carla Babb
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Before he was a hero on 9/11, he was a hero in Vietnam
In Vietnam's Ia Drang Valley and at the World Trade Center, Rick Rescorla helped others get out alive.
By Robert Batemen
Coast Guard to get first MQ-9 drones
Current and former officials are heralding the move as a game-changer in the fight against smuggling.
By Carla Babb
What we know about NatGeo’s upcoming ‘Top Gun’ series
National Geographic is building its own highway to the Danger Zone.
By Hope Hodge Seck