Here is the list for all the mission report icons and their descriptions:
Denying Enemy Asset: +1000xp per asset destroyed.
Good Recee: +1000xp, for covering 25% of AO.
Ghost Squad Bonus: +X% of AO cover without been detected (+100xp per %)
Radio Procedure Bonus: +250xp per accurate radio procedure.
Enemy Capture: +1500xp and gain 10 intel per VC capture.
Raw Intel: +100xp and gain 5 Intel per raw intel get.
HVT Eliminated: +10000xp.
Stalker Badge: for killing less then 25% of spotted enemy.
Ear necklace: for killing enemy team.
Search Party:
Perfect recee: for covering 100% AO.
Supply drop stolen:
Mission Fail: gain only 25% of total xp.
Winning Strike: +X% xp bonus for X successful mission in a row.
Excellent Recee: +2500xp, for covering 50% of AO.
Take Picture: +10% xp bonus per asset in one picture.
Ranger MIA: -25% xp for every Ranger (dead or alive) left behind