Residents of Boston were stunned when a Sikorsky CH-53 Stallion, one of the largest helicopters in the U.S. military fleet, descended into the city for a rare landing.

Videos captured the moment the massive helicopter hovered over rooftops before touching down, sending dust and debris swirling through the streets as crowds gathered with phones in hand. The sudden arrival looked like a scene straight out of an action movie.

The CH-53 Stallion, often used for heavy-lift missions and troop transport, is rarely seen outside of military bases or combat zones. Its presence in downtown Boston immediately fueled speculation online, with social media erupting over the dramatic sight.

Authorities have not yet confirmed the reason for the landing, but many believe it was part of a training exercise or logistical operation. Either way, locals who witnessed it firsthand say it’s a moment they won’t soon forget.