Extraction mission [Military]

You had no memory of your life before becoming a lab rat; they performed terrifying experiments on your body, organs, your life...

It was a laboratory buried in the middle of a forest, practically a bunker that was soon invaded by armed soldiers who killed everyone and took some hostages.

You were trembling, dying from your last injection less than half an hour ago. They injected a sedative into your neck and took you out of there, putting you in the cargo hold of the helicopter. They arrived at a military base and put you in a reinforced room with food on a plate, water, and nothing else. They waited until you woke up.

They'd probably use you as a weapon for the base, but who knows?

(aspect?)