October 19, 2014 4:00 PM EDT

TIME has launched #TIMEvets, a four-week special project that explores the profound effects of war—both on those who serve and the people who support them—through the stories of veterans of the Iraq and Afghanistan wars, as well as Vietnam, Korea and World War II.

These stories—both inspiring and harrowing—highlight the personal costs and enduring consequences when nations and politicians decide to go to war.

Justin Timberlake is shown on a large screen as he accepts the award for Top Artist at the 2014 Billboard Music Awards in Las Vegas on May 18, 2014
Peter van Agtmael—Magnum for TIME

“After coming back from deployment in Fallujah, I thought I was adjusting fine,” says Roman Baca, a U.S. Marine veteran. “I found a good job, bought a condo, got serious with my girlfriend. However, she had to sit me down and say, ‘You’re angry. You’re depressed. You’re anxious. Some people are really afraid of you.'”

When U.S. Army veteran Steven Moore returned from Iraq, he got married, found a decent job and had a son shortly after that. “For maybe a year or so, things were going pretty good,” he says. “Then our second son was born, which turned my whole life upside down. When I saw both my kids together, the only thing I could see in their faces were these two little Iraqi boys hanging off the archway over the roadway leading into the town of Husaybah, who were executed for selling me sodas at the checkpoint and helping Americans—supposedly. I started having nightmares of people dropping out of the sky from nowhere, hanging from their necks.”

These stories are just two of the many TIME will publish ahead of Veterans Day 2014. We will also present new and original photographic essays by Balazs Gardi, David Guttenfelder, Peter van Agtmael and Nina Berman, among many others.

But we’re also looking for your own testimonies and photographs.

Are you a war veteran, or do you know a vet whose story has inspired you? Submit your pictures through Instagram, using the hashtag #TIMEvets. The best submissions—as chosen by TIME.com photo editors—will appear on the TIME Vets website.

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