Oscar Mike to the glossary. Copy that.
A sturdy canvas or leather bag with a single strap worn over one shoulder, traditionally used by soldiers and travelers to carry supplies and provisions. Often smaller and lighter than a full backpack.
A reinforced, often underground facility designed to survive attacks and house military leadership during conflicts. It's basically a really expensive bunker for generals.
A counterinsurgency strategy of winning over civilian populations through benevolence rather than bullets—theoretically sound, historically difficult.