The volunteer army fighting ISIS: US, British and local fighters on the front lines in Raqqa, Syria - Reporter's Notebook

Kevin Howard from California volunteered to fight ISIS in Syria.PlayCourtesy Ted Turner
WATCH The volunteer army fighting ISIS in Raqqa, Syria

We hauled our gear aboard the rickety metal ferry and with the engine roaring we set off across the River Tigris, leaving Iraq behind and sailing towards Syria.

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The trip is just a couple of hundred yards and it takes no more than a few minutes. Yet this journey was more than three years in the making.

ABC News senior foreign correspondent Ian Pannell reports from Raqqa, Syria. Courtesy Ted Turner
ABC News senior foreign correspondent Ian Pannell reports from Raqqa, Syria.

When the Syrian revolution began in 2011, we started to cross into the country to report on the uprising. The trips were often difficult and dangerous -- sneaking under barbed wire, hiking over hills, meeting smuggler contacts, trying to avoid regime checkpoints and traveling with heavily armed rebel fighters.

By mid-2012 it became clear that the leaders of the free world were largely indifferent to the desperate plight of those paying in blood to try to win their own freedom. At least, they were unprepared to do much about it.

The vacuum was filled by battle-hardened extremists. Some were local fighters but increasing numbers were foreign jihadis. The breakdown in law and order, the growing violence and increasing desperation in Syria provided fertile territory for these religious radicals, who began to flock across the porous border with Turkey in ever growing numbers.

I remember talking to a moderate rebel commander at a base in Aleppo, Syria’s second-largest city, as the battle raged against regime troops. Dr. Abdul Raouf Al-Kraym was a Rotarian revolutionary, one of the wealthy industrialists who bankrolled the early days of the uprising. He puffed on his pipe, blowing large plumes of fragrant blue smoke into the air as he told me how he was happy to accept assistance from the men in black when the West offered him none. He assured me they could be controlled and contained.

He was wrong.

By late 2014, ISIS had consolidated its control of large swathes of the north. Journalists, aid workers, opposition activists and fighters were all rounded up, imprisoned, beaten and in many cases killed with a level of barbarism that shocked the world.

This trip was a long-awaited chance to get back on Syrian soil, to see the country first hand, to witness the devastation that ISIS occupation had brought and to assess the battle to rid this land of the militants for good.

A funeral held in a community in Raqqa, Syria. Courtesy Ted Turner
A funeral held in a community in Raqqa, Syria.

ISIS named Raqqa the capital of their caliphate three years ago. It has taken a coalition of Kurds, Arabs and ethnic Christian groups to take on the fight against the militants. They have done most of the fighting -- and most of the dying. We witnessed a funeral for four volunteer soldiers, all from the same town, who were being buried on the same day. Here, they are celebrated as “Shaheed,” which means “martyrs.”

One mother at the cemetery mourned the loss of her son, a child-soldier who had lied about his age to join the war.

“I was angry because he was too young for war, to face the enemy with a weapon," she said through tears. Mahmoud was just 13 years old when he was killed by ISIS.

Neda, a 5-year-old who had lost her father in the fighting, vowed to avenge her father’s death.Courtesy Ted Turner
Neda, a 5-year-old who had lost her father in the fighting, vowed to avenge her father’s death.

Childhood ends early here and the young must learn quickly how to grieve. Neda's father was one of the fighters killed. At just 5 years old, she has known nothing but war, and without hesitating, she vowed to avenge her father’s death.

“I grieve for him but soon he’ll go to heaven, and I too will pick up arms,” she said.

Unlike the fight against ISIS in Iraq, there are no vast armies here. There is assistance from a U.S.-led air campaign that uses drones and war planes to target ISIS, but the militants often hide among civilians, and human rights groups say the ongoing air strikes in Iraq and Syria have killed thousands of innocents.

We moved to the front lines with a Kurdish unit led by Sozdar Bawer, a young commander of an all-female force who had joined the fight straight out of high school.

“We are fighting ISIS to protect and liberate our people,” she said. “As you know, the only thing you can get from ISIS is destruction. That is all they want to do.”

Sozdar Bawer joined an all-female fighting force straight out of high school. Courtesy Ted Turner
Sozdar Bawer joined an all-female fighting force straight out of high school.

She now leads a band of young Kurdish fighters -- all volunteers.

“In street fighting, you can’t control a neighborhood in one attack, we have to move and fight house-by-house,” she said.

In the streets and alleys of Raqqa, Bawer and her troops run the gauntlet of ISIS snipers with what weaponry they can get. They don’t have tanks or Humvees -- not even body armor.

The U.S. has sent some vehicles and guns. Bawer said the weapons they get are “not enough,” but she said she and her all-volunteer fighters are confident they can beat ISIS in the next few months.

One sniper in this volunteer army is an unlikely face hunkered down amongst the rooftops -- an American.

Kevin Howard, known locally as “Christian,” is a California native who volunteered to come to Syria and fight the extremists.

“It’s just harassing fire. They do it to us, we do it to them. It’s like chess, it’s back and forth,” Howard said, in between sniper shots. “Occasionally we get lucky."

Kevin Howard from California volunteered to fight ISIS in Syria.Courtesy Ted Turner
Kevin Howard from California volunteered to fight ISIS in Syria.

Howard said his motivation for coming to Syria is the attacks ISIS has claimed credit for in the U.S. and Europe. He's carved the names of those places -- Manchester, Paris, Bataclan, Orlando, San Bernardino -- on the bullets he fires back at them.

“What chance did they have, you know?” he said, referring to the cities. “None. So, [this is] justice for them.”

The risks here are immense, and Howard is putting his life on the line with every step he takes on the streets of Raqqa.

“I came here for this, [to fight],” he said. “I’ve been waiting years for this. This is the final stand-off fight between us and them.”

Howard is fighting in a Christian unit that is part of the local forces the U.S. is working with -- a multi-ethnic coalition that was formed to take down ISIS.

“I’m ready to give my life for [this],” Howard said. “Hopefully, I won’t have to though.”

Macer Gifford is another volunteer. He used to be a broker in London's equivalent of Wall Street, but he's been fighting for the cause in Syria for three years. Gifford said there are times when he has questioned what he’s doing there, like when he “has been ambushed,” but he has “never really doubted” joining the fight.

“I’ve never really thought [about]-- certainly the morality of what I’m doing,” he said. “I suppose for me, this is very personal. I’m a humanitarian. I’m a humanist. I believe in democracy. And I believe in the people of Syria.”

Without the power of an army behind them, the fighting is as slow as it is dangerous, but there has been progress. Last month, American allies breached the city walls, giving this volunteer army hope that the fall of ISIS is now within reach.

“I’m not on a mission to murder anyone,” Howard said. “We just defend, and we just try to help these people. But, if a member of ISIS was in this room right now with all of us, what chance would he give you, or you, or me? None.”

Since this bloody civil war began, millions of Syrians have fled into neighboring countries and Europe, creating one of the largest humanitarian crises of this century, but not everyone has made it out.

Some families who fled ISIS end up in a refugee camp outside of Raqqa. One family said they had been traveling on foot and had been trying to escape Raqqa for a month. Many, carrying only a single bag of possessions, said they lost their homes and had very little food to eat.

“We wanted to leave but we couldn’t leave,” said one woman.

Another woman said her son fled Raqqa to get away from ISIS but was captured by Assad regime forces and is now in Saydnaya, a notorious prison outside of Damascus where abuse and torture are routine.

And not everyone in this camp is free. There is a separate section here for ISIS brides -- women who come to Syria to marry the extremists.

This women said she was born in Germany and traveled to Syria to marry a man she met on Facebook, who was an ISIS fighter. Courtesy Ted Turner
This women said she was born in Germany and traveled to Syria to marry a man she met on Facebook, who was an ISIS fighter.

One of the women named Nadia said she was born in Germany and traveled to Syria to marry a man she met on Facebook. He was an ISIS fighter.

Nadia, 32, her face fully covered except her eyes, left Germany because she said she was having problems with her family. She said they drove her away after forcing her into an arranged marriage and she was looking for a way out.

“My family [is] not good to me, and they allowed this happen to me,” she said.

Now she has three children with the ISIS fighter she met online. At the refugee camp, where she was questioned by intelligence officers, Nadia broke down and said she had made a mistake coming to Syria.

“I sit only at home,” she said. “I don’t have real friends. I am only a housewife. I have three babies... I am a victim.”

Nadia claimed she didn’t know what ISIS was or how brutal the extremist group could be when she agreed to come here.

“I want to go back to my country,” she said. “I need Lebanon or Germany to take me. Even if they punished me, even if they imprisoned me, I will accept that."

Like many ISIS brides, Nadia’s future, and her children’s future, is now in limbo. Her children have no passports and no country of origin.

This war has so many victims: Those who couldn’t escape, those who were left behind, and those who risk their lives every day to stand and fight.

People like Sozdar Bawer and her fighters are driven to the front lines in what they see as a virtuous struggle and the stakes are too great to quit.

Bawer was willing to sacrifice everything for peace -- and in the end, she did. Just hours after we left her on the streets of Raqqa, she was killed with nine of her comrades.

As she was locked in this battle, she said she didn’t think the ISIS ideology would go away after the fighting was over, but she had hope for peace.

“Even in the newly liberated area in Raqqa, you can find peace,” she said.

ABC News' Rym Momtaz contributed to this report

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