You can raise your highest skill level by playing Ranked matches. You will go up in skill depending on how well you do during that match. You can also go down in skill.
In halo 3 multiplayer you have a skill rating next to your gamer tag. 50 is the highest possible skill rating.
You can't. In order to rank up, you need to raise your "highest skill level" and your "exp", which you can only do through matchmaking.
depends on your skill
play good
you need to have 100 exp and 10 skill level to become a lieutennant (officer) on halo 3
The desire to play Halo. Money. An Xbox 360 ( 3 an, ODST and Reach). Skill
yes you can
play a ton of matches and win
to get your skill up in halo 3 is harder now days than it was when halo 3 originally was released, people are now better and smarter and it is very difficult for a new player to get his skill up, me (being the highest skill of 45) achieved this skill a while back when it was fair competition and there wasnt a load of people starting new accounts after already being the highest rank, but kid to make it anywhere your gunna need a team, and to overall answer your question your gunna need to win consecutivly to go up in skill. hope this helps :)
You can do it on Normal, Heroic and Legendary. You can't do it on Easy.
highest skill it is the highest number you have on a ranked playlist
it means to get a higer rank it doesnt make you better at halo 3 but what i said before it some times makes you a higher rank :)