Vito Corleone wrote:
How could a 23rd Century Klingon ship that hasn't seen the Alpha Quadrant for generations possibly recognize a 24th century Federation ship?
Voyager doesn't look anything
like any of Starfleet's 23rd century vessels...
Saucer, lower hull, nacelles sticking out... looks similar enough to me! There are also energy signatures and stuff like that. Not to mention the name and Starfleet logo painted on it.