Chooose your mission by name and you will land on the info mission page with links to the level and faction for that mission set or will go direct to the mission if there are no opions for it.
Example: Escaped killer - this is a lvl1 mission only and is against one faction - will take you to the mission page.
To go direct to a misson log page using the search box:
(mission name) lvl(#) (faction) for the mission Eliminate the Stargate Campers would be :
Eliminate the Stargate Campers lvl3 Concord