A black Labrador bred after 9/11 and named for a victim of the World Trade Center is the subject of a new documentary that connects personal loss with frontline service. The film follows the dog’s decade-long military career and the family whose name he carried, and it opens this weekend at the Cleveland International Film Festival.
Born at Lackland Air Force Base in June 2005, the dog known as Zzaslow was part of a post-9/11 breeding program run by the TSA to produce explosive-detection animals. He carried the name of Ira Zaslow, a Lehman Brothers employee who died on September 11—a designation meant to preserve the memory of victims through the program’s alphabetical naming system.
Raised his first year by a volunteer foster family in Austin, Texas, Zzaslow received early scent training and behavioral preparation designed specifically for service in hazardous environments. Those first months were intended to set the foundation for the precise, disciplined work ahead.
From puppy program to the battlefield
At roughly one year old he transferred from the TSA to the Department of Defense and entered the Mine Detection Dog course. In June 2007 he graduated with the soldier who would be his partner in the field, SPC Juan Colón‑Estrada. The pair then spent the next decade on repeated deployments, often in some of the most dangerous areas of Afghanistan.
- Specialty: Detection of buried landmines, improvised explosive devices (IEDs), mortar rounds, grenades and unexploded ordnance.
- Technique: Trained for passive indication—stopping and freezing when explosive odor is detected so engineers can mark and clear hazards safely.
- Operational impact: Over three deployments, Zzaslow helped clear more than 25,000 square meters during route clearance and quality-assurance missions.
- Notable action: Opened a two‑meter path after a damaged C-17 landed in an uncleared area, enabling safe disembarkation of passengers.
- Service length: Served for 10 years before retiring in November 2014; recognized as one of the most highly decorated mine-detection dogs of the post-9/11 era.
Those accomplishments came with a reputation for steadiness under pressure—soldiers and handlers described him as precise, focused and reliable at moments when mistakes could be fatal. His work routinely created secure corridors for troops and supported casualty-extraction efforts.
The film and the people behind it
The documentary, titled Zzaslow K-427, is directed by Robert Ham and produced by Ham alongside Adam Zaslow, Ira Zaslow’s son. It premieres at the Cleveland International Film Festival this weekend, where a trailer is also being shared with audiences for the first time.
Adam Zaslow became involved after discovering that a service dog had been given his father’s name. He helped finance the project through personal sacrifice—selling items from his childhood collection—and has described revisiting the 9/11 Museum alongside SPC Colón‑Estrada as an emotionally complex but healing experience.
Director Robert Ham, who enlisted after 9/11 and served in Afghanistan as a combat videographer and public affairs sergeant, says the project drew him because it merged questions he’d carried about duty and loss with a clear, human story. Working closely with Adam and SPC Colón‑Estrada, Ham says he aimed to show three overlapping perspectives: the son reclaiming a legacy, the handler who trusted his life to a dog, and the animal whose work saved lives.
Suzanne Johnson, who fostered Zzaslow during his first year, emphasizes the film’s focus on the bond that developed around the dog. For many involved, she says, nurturing him required sustained commitment and became a collective effort that ultimately produced extraordinary results.
Distribution plans beyond the festival run have not been finalized. For now, Zzaslow’s story is reaching viewers through the festival screenings and the newly released trailer, reconnecting a private family history with broader questions about remembrance, service and the aftermath of 9/11.
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Hello, I’m Declan. I share my film reviews and discoveries with you to enrich your moviegoing experience.