>you're riding your warthog to go to the next main mission
>you can't fast travel since you're all out of EchoCalls
>INCOMING RADIO TRANSMISSION: Chief, we need your help! We're sourrounded by the enemy!
>a red flare appears between you and the main mission
>go and rescue the marines from some meanie sentinels for the 25th time
>this is an optional mission but you need to do it to stay ahead of the difficulity curve
>"Thanks Chief, take this!"
>you're given 5 spacebucks
>sweet, you can finally upgrade your magnum
>open the menu and try to upgrade
>"You need to find an Upgradomatic Bench in a UNSC base or Sangheili camp to upgrade your weapons"
>whatever, the upgrade costed 10 times what you had anyways
>keep driving, arrive at the mission waypoint
>"You need to destroy 2 more Sentinel Factories to play this mission"
>drive around aimlessly to find Sentinel Factories
>realize you're in a Flood controlled sector
>drive for 10 minutes until you get to a Sentinel sector
>destroy the factory, the sector now belongs to the UNSC/Sangheili alliance
>+10% Damage Bonus while in UNSC/Sangheili controlled sectors
>+2% for any additional person you have in your coop party
>drive to another Sentinel sector
>Sentinels and Cortana's Covenant are going at it again
>kill them all, destroy the factory
>you're awarded an EchoCall
>fast travel to the mission
>"Chief, we need you need to kill a Flood Hive. The Arbiter will assistPost too long. Click here to view the full text.