Iraq 2006: SEAL Team 3 and conventional U.S. Forces battle insurgents to take back the war-torn city of Ramadi, when a beloved teammate is struck and becomes the first Navy SEAL killed in Iraq. Faced with heartbreak, but still believing in the mission, the team rallies together to fight on.

Afghanistan 2005: A quick reaction force of Army Rangers sets out on a mission to rescue the lone survivor of a SEAL team that came under attack in the mountains of Afghanistan.

Iraq 2003: A group of U.S. Army Rangers fights to seize control of Haditha Dam - a strategically key location in Operation Iraqi Freedom - when they realize they are outnumbered by a strong Iraqi force. As the battle rages on, a young medic must face his fears when his skills are put to the test in order to save the life of a teammate.

Afghanistan 2010: A team of U.S. Army Rangers sets out on a mission to engage the Taliban and gather intelligence when their unit hits an IED. After the blast, the platoon pushes through their fears to aid a teammate who is critically injured and together they display a level of fortitude that ultimately saves his life.

On April 7, 2004 a group of U.S. Marines got ambushed while on an operation near Fallujah, Iraq - but together, the Marines fought their fears to stay calm and fought on--making 1st Reconnaissance Battalion, Bravo Company, 2nd Platoon one of the most decorated platoons for heroism in a single action in the War on Terror.

The story of Navy SEAL, Rob Guzzo, whose platoon deploys to Iraq in 2006 and faces an evil enemy and combat so intense, it leaves Guzzo with PTSD.

Afghanistan 2008: A group of Special Forces gets ambushed by Taliban fighters and must fight their way to safety after a teammate is critically shot in the neck. What happens next will elevate their brotherhood to a new level.

Afghanistan 2009: A group of U.S. Army Rangers goes after a jihadist network when their unit hits a roadside bomb and suffers multiple casualties. The team comes together to deal with the chaos of the mass casualty situation and cope with the loss of one of their teammates.

U.S. Army Rangers head into the snowy mountains of Afghanistan to rescue a missing Navy SEAL, then they are attacked by enemy fighters and multiple team members die; struggling with the losses, the unit displays solidarity while under fire.

In Iraq, a team of U.S. Army Rangers leads a covert operation to take out high value targets; deep in enemy territory, it's the implicit trust among team members that allows them overcome hurdle after hurdle.

A platoon loses both 19-year-old Pvc. Eric Hario and seasoned Staff Sgt. Jason Dahlke on a battle damage assessment mission in Afghanistan; life will never be the same for the Army Rangers or for Eric and Jason's family members back home.

U.S. Army Ranger Trent McDonald becomes renowned for his dog whispering skills; McDonald loses his best friend and military service dog, Benno, on a night raid in Afghanistan in 2012, then his new dog, Layka, gets shot weeks later while saving lives.