Borneo Space Tether
It is used for lifting heavy ordnance from the surrounding port facilities into an orbital station at the top of the elevator structure, a transport method much cheaper and more efficient than booster rockets filled with expensive fuel. As a space elevator would preferably have to be constructed near the equator, Borneo is an ideal location for such a structure as the island is located near the equator. Borneo is also home to a UNSC military base located in conjunction with the tether.
Sometime between Operation: FIRST STRIKE and the Battle of Earth, the frigate UNSC Gettysburg docked with the station's terminus to deploy SPARTAN-IIs Linda-058 and Fred-104. Along with most of Earth's space elevators, the Borneo Space Tether ultimately survived the Battle of Earth.
On September 26, 2557, Beta-5 Division operative Sapphire Three interviewed John-117 aboard the tether's terminus in regards to his interactions with Cortana before and after the Raid on High Charity in late 2552.
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