The remarkable story of the world's first atomic bomb and how Oppenheimer reacted to the historic moment
J. Robert Oppenheimer was one of the men who oversaw the detonation of the world's first atomic bomb on July 16, 1945, in the New Mexico desert.
Amanda Macias
Correspondent
The US Navy is 244 years old today. Here are 42 powerful images from its iconic history.
The US Navy has long been the most visible part of America's military might with visits to far flung ports and operations all over the world.
Photos that show what life is like on Pitcairn Island, which has 50 residents and can only be accessed by 32-hour yacht ride
The Pitcairn Islands are an isolated territory in the middle of the ocean — only 48 people live there, and you have to travel there by boat.
Panetta: This is how the bin Laden raid went down
Secretary of Defense Leon Panetta describes the stealth 2011 assault on Osama bin Laden's compound in Pakistan.
15 poignant photos that show what life was like during the Vietnam War
US troops spent two decades fighting in Vietnam before the war officially came to a close in 1975.
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This is the advanced anti-missile defense system being deployed to Korea — and it has Beijing spooked
Meet THAAD — a unique missile-defense system with unmatched precision, capable of countering threats around the world.
LOCKHEED MARTIN: Trump's 'personal involvement' helped get lowest price on latest F-35 batch
The Pentagon and its top weapons supplier agreed on the lowest set of prices for the F-35, the US's most expensive weapons system, since 2001.
The price reduction for the latest batch of F-35's has been in the works prior to Trump's presidency
Trump says he shaved $600M off America’s most expensive weapons system
President Trump has announced that $600M will be saved in the upcoming batch of F-35 fighter jets from Lockheed Martin.
There's no business like the arms business — here's how the Pentagon's top weapon supplier did
North Korean experts explain what Kim Jong Un wants
The panel of scholar-practitioners agreed that the new administration would have to deal with North Korea "almost immediately upon taking office."
The colossal price to fly a pair of B-2 bombers to hit two ISIS camps in Libya
The B-2's last combat deployment was in March 2011 when three aircraft were used in Operation Odyssey Dawn. Currently, there are 20 B-2's in the US Air Force's inventory.
44 iconic pictures of Obama's first 100 days in office
It's been eight years since Barack Obama was elected president.
This is how pilots train to fly the F-35 — America’s most expensive fighter jet
A behind-the-scenes look at how pilots train for the advanced (and expensive) F-35.
Arguing about whether the F-35 can dogfight misses a really big point
"If I'm dogfighting I'm not bombing my target, I'm not getting my job done, and what I'm probably doing is wasting gas and wasting time."
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God's-eye view: The F-35's helmet lets pilots see the battlefield in a radically new way
The helmet used to fly the jet matches its reputation for sophistication.
US Air Force General: The F-35 is 'leaps and bounds ahead of anything else in the world today'
The F-35 program is leaps and bounds ahead of anything else in the world today but we need to make sure that we stay ahead of their technology by continuing to modernize the F-35.
'One our adversaries should fear': US Air Force General describes how the F-35 is above and beyond the competition
"The airplane has unbelievable maneuvering characteristics that make it completely undefeatable in an air-to-air environment."
Trump asks Boeing to price out a comparable jet to compete with F-35 — and Lockheed Martin's stock tanked
President-elect Donald Trump said he asked Boeing to "price-out a comparable F-18 Super Hornet."
I lived in Times Square for a year — here's what it's like to live in the most hectic part of New York City
While most New Yorkers avoid the wandering crowds of tourists, costumed characters, and bombarding big screens of Times Square, I chose to live there.