Battle of Sector Six

The Battle of Pawas was an engagement between UNSC and Covenant Loyalist forces. It took place east of the Afghan town of Pawas, near the current Pakistani-Afghan border. The exact coordinates as seen in the Blomkamp video are 32°53′12″N, 69°27′48″E. .

Background
The ODST pair, Bravo-21 and 22, were tasked with calculating the crash site of the Master Chief on Earth, while the Marine Battalion were tasked with defended a narrow corridor between Covenant and UNSC forces in Pakistan. Bravo 21 and numerous Marines were killed in the fighting.

Trivia

 * The battle is first seen in the Halo 3 shorts, Halo: Combat, Part 1 and Halo: Last One Standing.