A Starfleet crew member of the USS Equinox and one of only five survivors of that ship, who is taken aboard Voyager in 2376 and reduced to the rank of crewman.
Angelo Tassoni is a member of Captain Rudolph Ransom's crew aboard the Nova-class USS Equinox, the small science vessel stranded in the Delta Quadrant in the Voyager two-part story Equinox.
Like his shipmates, he is party to Ransom's decision to kill nucleogenic life forms and use their remains to boost the ship's warp drive, a breach of Starfleet principles that brings the creatures' retaliation down on both crews.
When the Equinox is destroyed at the end of Equinox, Part II, Tassoni is one of the five survivors beamed to Voyager, alongside Marla Gilmore, Noah Lessing, James Morrow and Brian Sofin. Captain Janeway strips all five of rank and tells them they will serve as crewmen under close supervision until they earn back her trust.