On a blue background, a military weapon called a flying fortress
Marvel comics super hero Deadpool he is a ninja on a black background, on the back of a weapon, he is a flying fortress
The poster of the film Mission Impossible: a tribe of outcasts, where Rebecca Ferguson's heroine sits on a motorcycle in a motorcycle suit with her helmet removed against the background of a fortress and palm trees
A painting depicting a fortress and warriors in armor
The legendary Boeing B-52 is a real stratospheric fortress