These weekly challenges are essentially free points each week so there is just no reason not to jump in and grab those Moas so you can get Weekly or Seasonal unlockables.
Eye Spy
1 point and 175k XP
ONI: Alpha Site
Moa #1 Rally Point Alpha w/Acrophobia Skull enabled
Kikowani Station
Moa #1 Rally Point Alpha
Moa #2 Rally Point Alpha
Twenty Grand
1 point and 175k XP
Complete 2 levels across the Master Chief collection and earn more than 20k in each.
Delta Droppings
1 point and 250k XP
Finish 3 levels in either Halo 2 or Halo 3: ODST on Normal or above.
Weekly Warriors
1 point and 125k XP
Defeat 100 core infantry (watchers, brutes, elite, flood combat, sentinels).
Send It
1 point and 175k XP
Kill 75 enemies with sniper weapons (focus rifle, beam rifle, binary rifle, sniper rifle).
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