Watch as the Eugenia Moran comes to the rescue of another tugboat trapped under Portsmouth's Memorial Bridge and minutes from capsizing.

The 2012 rescue of the tugboat Miss Stacy captures just how strong the currents can be in the Piscataqua River that flows beneath the Memorial Bridge. If captains aren't careful, they can find themselves in dangerous situations like this.

According to SeacoastOnline, the captain of the Miss Stacy had not yet been in command of the vessel, and was "unfamiliar" with the Portsmouth river when his tugboat struck the bridge.

Another video posted on YouTube shows the aftermath of the incident, and the safe return of the Miss Stacy.

Here's another angle of the rescue:

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