The Western-made tanks heading to Ukraine are unique — but that creates unique problems for Ukraine's military

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US military life Abrams tank US Army
A US soldier scrambles into the driver's compartment of an M1A1 Abrams tank at Fort Benning in Georgia in May 2016.

Army photo by Sgt. 1st Class Jon Soucy

Here's what happens when US Navy special operators go up against dolphins trained to keep them out of sensitive bases

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Navy marine mammal California sea lion
Zak, a California sea lion in the US Navy's Marine Mammal Program, in the Middle East in January 2003.

US Navy/PH1 Brien Aho

The US's powerful Abrams tanks are heading to Ukraine, but generals disagree over how hard it'll be to use them on the battlefield

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An M1A2 Abrams main battle tank from the Minnesota National Guard races through a breach in a barbed wire obstacle during the 116th eXportable Combat Training Exercise at the Orchard Combat Training Center, Idaho
An M1A2 Abrams tank at the Orchard Combat Training Center in Idaho.

US Army photo

Rare battlefield footage shows how Ukraine's upgraded Soviet-era tanks are outperforming Russia's upgraded Soviet-era tanks

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Ukrainian tank drives in Siversk
A Ukrainian tank in Siversk near the front lines with Russia on January 21.

Spencer Platt/Getty Images

How US Navy SEALs train new special-operations units to make the seas into 'our playground'

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Naval Special Warfare SEAL Croatia ZSS
Croatian ZSS and US Naval Special Warfare personnel conduct an over-the-beach exercise in Split in April 2022.

US Army/Sgt. Patrik Orcutt

A decade of quiet preparations helped Ukraine turn the tables on Russia's bigger, better-armed military, experts say

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Ukraine troops soldiers RPG sniper rifles Irpin
Ukrainian troops carry rocket-propelled grenades and sniper rifles toward the city of Irpin in March 2022.

Dimitar Dilkoff/AFP via Getty Images

Russia was making big plans for Ukraine's nuclear power plants before its invasion fell apart

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Zaporizhzhia nuclear power plant in Energodar Ukraine
Russian military vehicles at the gates of the Zaporizhzhia nuclear power station in May 2022.

ANDREY BORODULIN/AFP via Getty Images

For the 2nd year in a row, Iran is sailing its biggest warship around the world to show off its growing navy

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The Iranian-made warship Makran takes part in an exercise in the Gulf of Oman, in this picture obtained on January 14, 2021
Iranian warship Makran in the Gulf of Oman.

Iranian Army/WANA (West Asia News Agency)/Handout via REUTERS

France may be the next country to send its tanks to Ukraine, but officials worry they could be 'a poisoned chalice'

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French army Leclerc tank
A Leclerc tank at a training area in Sissonne, France in November 2012.

FRANCOIS NASCIMBENI/AFP via Getty Images

As fighting rages in Ukraine, the US is sending drones to keep an eye on another tense corner of Europe

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MQ-9 Reaper San Clemente Island California
An MQ-9 Reaper on San Clemente Island in California on June 23. 2022.

US Air National Guard/Staff Sgt. Joseph Pagan

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