A unit can be suspended from requesting or receiving ammunition for

To ensure the safe return of ammunition and ammunition residue.

Explanation:

Ammunition can be defined as a material that can be fired, dropped, scattered from a weapon. It can be an expendable weapon or maybe a component of weapon.

A unit is suspended along with receiving ammunition to support the safe transport of ammunition and their residues to the desired destination and to prevent the explosion or damage of the contents.

answerpopulace;