The US Air Force's newest stealth bomber offers hope amid America's shrinking bomber fleet

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The B-21 Raider is seen in an indoor facility with an American flag behind it.
The B-21 Raider is seen in an indoor facility with an American flag behind it.

US Air Force via AP

The B-52 shot down Vietnamese fighter jets in historic dogfights. Here's how the US Air Force plans to keep its oldest bomber in the skies for over a century.

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A B-52D Stratofortress bomber aircraft drop ammunitions from the sky to support ground combat operations in Vietnam.
A B-52D Stratofortress bomber aircraft drop ammunitions from the sky to support ground combat operations in Vietnam.

Pictures from History/Universal Images Group via Getty Images

How the US Navy's Virginia-class attack submarine gives the US an edge in global undersea superiority

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The attack submarine USS Virginia
The attack submarine USS Virginia departs Naval Submarine Base New London en route to Portsmouth Naval Shipyard in Kittery, Maine.

US Navy photo/Petty Officer 1st Class Steven Myers

How the US Army refined its battle-tested, controversial M4 Carbine for modern combat

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A close up shot of a US Marine firing an M4A1 carbine
A US Marine fires an M4A1 carbine at a live-fire training in Barira, Philippines.

US Marine Corps photo by Sgt. Shaina Jupiter

A US Navy supply ship was run aground by a distracted junior officer after the ship's captain left to eat dinner, investigation reveals

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Coastal Riverine Squadron patrol boats conducts flank USNS Alan Shepard
Coastal Riverine Squadron patrol boats conducts flank USNS Alan Shepard in the Gulf of Tadjoura.

US Navy photo by Hospital Corpsman 1st Class Kenji Shiroma/Released

Army National Guard hasn't paid out enlistment bonuses to thousands of soldiers, alarming House lawmakers

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Gen. Daniel Hokanson, Chief of the National Guard Bureau
Gen. Daniel Hokanson, Chief of the National Guard Bureau, testifies before the Senate Armed Services Committee during his confirmation hearing.

Chip Somodevilla/Getty Images

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