I bet you guys probably already know this... but you can carry 3 weapons at one time. It is only in Pillar of Autumn though...and its more of a glitch than a secret. you have to do a bunch of stuff. I found this out at Teamxbox.com... and I also watched a video that showed how to do it... I havent tried it yet though. and I forgot how oh i just checked my history and here is where you can learn more about it... and if you search around it you can find the video http://carnage.bungie.org/haloforum/...pl?read=104239