The UNSC SHACKLETON Was an early 24nd century Odyssey class Colony ship used for the terraforming of planets and space exploration, launched in 2362 her classes purpose was for the expansion of earth colonies. The Shackleton and her sister ships including the UNSC
Odyssey were equiped with an array of small point defence turrets and an early version of the MAC. Later ship design would take the double boom concept and adapt it for future war ships, this Ship class had a length of 455m. For the design of this ship Halo legends contained the only reference picture to work from and halo.fandom.com cotained some information.