USS Valdemar
The USS Valdemar was a 24th century Federation starship operated by Starfleet. 

In 2370 the Valdemar was dispatched to the border of the Cardassian Demilitarized Zone, following the arrest of Starfleet officer Miles O'Brien. The  and the  were also ordered to patrol the border of the DMZ. ()

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Valdemar, USS