Jump-pods are a technology outfitted to terran battlecruisers. They serve as a life pod in case the ship is destroyed, and can hold a fairly large compliment.
When the Hoosier was destroyed by mutalisks during the evacuation of Mar Sara, sixty-three terrans, including Breg Shaw, escaped in a Jump-pod, and were picked up four days later.
Bogdanove, Kal-El. "Frenzy." (Feb. 28, 2013). Blizzard Entertainment. StarCraft Lore: Frenzy Accessed 2013-02-28.