Scuba Diving Underneath Military Base and You Won’t Believe What I Found! (Restricted Zone)
A YouTuber drops beneath a bridge next to a military base and pulls unexploded ordnance out of the mud.
Jake Koehler, the Phenix City, Alabama diver who runs the DALLMYD channel under the handle Scuba Jake, has built a following on exactly this kind of dive: strap on a tank, drop into a river nobody else is willing to search, and see what decades of dumped junk have left on the bottom. In “Scuba Diving Underneath Military Base and You Won’t Believe What I Found! (Restricted Zone),” Koehler works the waterway beneath a bridge that sits right up against a military installation’s boundary, an area he and other river divers have learned tends to hide more than lost tackle and beer cans.
The video isn’t about a sunken submarine or a historic wreck — it’s a straightforward metal-detecting and visibility dive under a bridge, the kind of location Koehler has hit repeatedly across his channel because bridge pylons trap current-swept debris for years. What comes up this time is the reason the title carries the “Restricted Zone” tag: ordnance and discarded hardware that shouldn’t be sitting in a public river at all.
- The dive takes place beneath a bridge adjacent to a military base, not inside any submerged vessel or wreck site.
- Koehler’s search focuses on recovering submerged items — unexploded ordnance, discarded weapons, and electronics — that have settled into the riverbed near the base’s boundary.
- Past dives of this same type under military-adjacent bridges have turned up mortar rounds and bombs, serious enough that Koehler has had to call local law enforcement and military EOD bomb squads to remove them safely.
Significance of the Chosen Bridge
Koehler’s channel has made a career out of a simple pitch: bridges act like drains for whatever people don’t want found. Boaters toss weapons off the side, hunters and soldiers leave behind rounds that never fired, and current does the rest, pushing it all against the pylons where it sits buried in silt for years. A bridge that runs alongside a military base carries an extra layer of risk, because what settles there isn’t just a lost pistol — it’s the kind of ordnance that’s designed to detonate.
That’s the draw of this specific location for a diver like Koehler. It’s not a historic wreck with a story attached; it’s an active hazard zone that happens to be legally diveable because it’s public water, even though the base itself sits right there, restricted and off-limits.
Protocol for Discovered Live Ordnance
When Koehler and divers doing this same kind of search under military-boundary bridges have hit mortar rounds and bombs in the past, the response isn’t a souvenir haul — it’s a phone call. Local police get notified first, and from there military EOD bomb squads take over the extraction, because handling live or potentially live ordnance is not something a recreational diver, however experienced, is equipped to finish on his own.
Under a bridge like this, the danger isn’t the current or the visibility — it’s whatever’s sitting in the mud that was never supposed to be there in the first place.
That pattern — find it, surface, call it in, hand it off to a bomb squad — is the actual through-line of Koehler’s military-adjacent bridge dives, this one included. It’s a far more grounded story than a submarine wreck, but it’s also the reason these videos draw an audience: viewers are watching someone locate a genuine public-safety hazard in real time.
The DALLMYD Formula
Koehler’s channel runs on repetition with real stakes attached. He returns to bridges, quarries, and river bends again and again, and the format holds because the payoff is unpredictable — sometimes it’s a phone, sometimes it’s a gun, and sometimes, as with these military-boundary dives, it’s something that requires a bomb squad rather than a GoPro close-up. It’s the same appeal that’s carried other extreme-search and stunt-driven creators into mainstream attention, the sort of high-stakes physical content that’s turned videos like World’s Most Dangerous Escape Room! and World’s Largest Challenge! into recurring hits for their own channels.
Koehler doesn’t dramatize the danger with editing tricks — the danger under a military base bridge is just the ordnance itself, sitting there whether the camera is rolling or not.
Koehler’s channel keeps working the same playbook: another bridge, another stretch of restricted-adjacent water, another call to the bomb squad if the mud gives up something live. That’s the format, and it’s why viewers keep clicking on the next “you won’t believe what I found” upload instead of scrolling past it.








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