The Caspian class was a type of runabout that entered development following the Dominion War by the Federation. (Spacedock: The Advanced Starship and Construction Manual) Two Caspian-class runabouts were used on Antechrist-class carriers as mobile command centers for fighter wings. (Star Trek: False Vacuum: "Asteroid Dusting") Although they did not have morgues, Caspian-class runabouts had scientific equipment that could perform basic biological analyses and materials analyses. (Star Trek: False Vacuum: "Arthur Porter and the Corpse of Azkapanama")