UNSC All Under Heaven

The UNSC All Under Heaven was a Carrier of the United Nations Space Command. In 2545, it was assigned to the 51 Pegasi-B System as the staging ground for Operation: TORPEDO. It launched the 300 Spartan-IIIs of Beta Company in Long Range Stealth Orbital Insertion Pods while still in Slipspace.

Trivia
Its name is a reference to an ancient Chinese cultural and political concept. The Carrier's ultimate fate is, as far unknown. But in all likelyhood, the ship had been destroyed at some point after it's mission with the Spartans.