Chiron

The Chiron Test Station on Mars was one of the main training facilities for the Spartans. Chiron also contained several microgravity equipment and martial arts training facilities. SPARTAN-008 trained extensively in these facilities.

Chiron TL34

Chiron TL-34 was one of the harsher training areas that the Spartans had to train in, simulating close quarters for engagements within Covenant ships. The courses are filled with "warpers", as the troops came to call them, based on Covenant technology which was, in turn, derived from Forerunner technology.

Chiron TL34 is a multiplayer map in Halo: Combat Evolved.

• (Note that 3+4=7, seven being a number Bungie is obsessed about.)

References

http://www.bungie.net/News/content.aspx?type=topnews&cid=12834