The 56th Fighter Group based in England already had a trio of aces, and competition was fierce to get the highest kill count.

Canadian George Beurling broke every rule in the book yet became one of the greatest fighter pilots of World War II. A loner and a social misfit, Beurling's disdain for protocol branded him an outcast.

During one of the final battles over Malta, George Beurling might have been in his last dog fight.

Tuskegee Airman Alex Jefferson has to bail out over enemy territory and his flight companions assume he is KIA.

Despite engine failure and no radio from being shot up over Berlin the crew of this Lancaster bomber defy the odds and make it back home to England.

Through personal accounts and real footage members of crews from British Lancaster bombers describe their payloads and what it was like to come under heavy fire while dropping bombs over Germany.

Ten weeks after joining the 61st Squadron Gabby Gabreski gets his first taste of combat over Holland.

Only a few years earlier some questioned whether or not they could fly a fighter, but by 1944 the Tuskegee Airmen were providing protection for crucial long distance bombing missions against targets in Nazi Germany.

During one of the final battles over Malta, George Beurling might have been in his last dog fight.

Despite engine failure and no radio from being shot up over Berlin the crew of this Lancaster bomber defy the odds and make it back home to England.

Through personal accounts and real footage members of crews from British Lancaster bombers describe their payloads and what it was like to come under heavy fire while dropping bombs over Germany.

Only a few years earlier some questioned whether or not they could fly a fighter, but by 1944 the Tuskegee Airmen were providing protection for crucial long distance bombing missions against targets in Nazi Germany.

Tuskegee Airman Alex Jefferson has to bail out over enemy territory and his flight companions assume he is KIA.

The 56th Fighter Group based in England already had a trio of aces, and competition was fierce to get the highest kill count.

Ten weeks after joining the 61st Squadron Gabby Gabreski gets his first taste of combat over Holland.

A wealth of information via social media amid the Mumbai attacks only adds confusion to a chaotic situation, particularly within the ranks of the Indian government.

After the Spetznaz eliminates their Chechen separatist captors a gross and tragic oversight ends up killing many of the hostages.

Mumbai is under bloody attack and India's National Security Guard, nicknamed the Black Cats, were called to stop the chaos, operating under four main directives.

After a decade of searching, the CIA begins to activate agents on the ground after they identify in a mysterious compound in Pakistan an HVT, a High Value Target, that they believe is Osama Bin Laden.

Russia's elite counter-terrorism force, Spetsnaz Group Alfa, face a near-impossible task: to save 800 people held hostage by 40 heavily-armed Chechen rebels and suicide bombers inside a Moscow theater packed with explosives.

After intelligence gathering on the occupiers of the mystery residence in Abbottabad is complete Head of JSOC Admiral McRaven offers three plans of attack, with the direct commando approach eventually becoming the best choice.

The SAS conduct a bloody albeit successful raid on a compound housing Al Qaeda militants and important senior leaders in a bid to get closer to Al-Zarqawi.

In one of the most famous raids ever, the Unit storms the Ugandan airport at Entebbe to free hostages.

The Unit, the "long arm of the IDF," is the most lethally trained force that Israel possesses.