You have to reach the rank of Lt. Colonal and then buy it for the required amount of credits. This page answers the question in more detail and links a vid showing the arm in theater mode - https://files.nyu.edu/jwi208/public/
you have to become a Lt. Colonel first, but after that you have to buy the collar breacher, and then you will have to buy the collar breacher(R) which has the robotic arm attached
Technically no, the only way to wear armor in halo 3 that you can wear in reach is some of the basic armor that was already available but the new pieces of armor such as the security shoulders, sapper chest with robot arm, an gungir helmet are only available in Reach.
you cant do it in halo reach only in odst
Download Halo Waypoint from the marketplace and you will get it
she gets shot by a banshee
you need to save up all your credits. you should google halo reach tips and subscribe. they are offering there guide.
*robot sensor* robot arm*robot motor* metal
sentinals
Halo reach is older
no, Masterchief is not in Halo: Reach. Halo: Reach is set before the discovery of Halo, if you have or Know about the Halo book: The Fall of Reach, it is a closer view of the plant reach. but there are some other Spartans in it!
halo reach is the bomb
There are no skulls in Halo Reach.
after Halo reach,there is no more In total, there is :Halo 1,Halo 2, Halo 3, Halo ODST, Halo wars and Halo reach