What is this THING on Sarge’s back… looks to be a bomb or launcher, but no way is it a jetpack.
Yes it’s a black turtle shaped jetpack.
You didn’t hear? It’s the “Backpack” attachment. Carry 3x as much ammo and grenades
I have NoIdea.
PS: Ireally hope AAs look simalar to the H3 pick-ups.
(They can look completely different but please get rid of the holographic symbols.)

> You didn’t hear? It’s the “Backpack” attachment. Carry 3x as much ammo and grenades
really?
> > You didn’t hear? It’s the “Backpack” attachment. Carry 3x as much ammo and grenades
>
> really?
really? C’mon…
I’ve said it before! It’s YODA!!
> > You didn’t hear? It’s the “Backpack” attachment. Carry 3x as much ammo and grenades
>
> really?
got you 
Probably jetpack.