http://www.youtube.com/user/retardedEdd#p/a/u/0/gYsnhxQEBSM
Posted by: THOMSY99
Halo REACH, you are a Spartan 3, not a Spartan 2 (Master Chief).
Spartan 3 have a slower movement speed, lower jump height than a Spartan 2.
As halo 4, you will be the MC (Spartan 2) you will be able to jump higher. lol