What does the brass mean, exactly, in military context

In books by many different authors I encountered phrases like this: He curses the brass for not caring whether he lives or dies. From context, it seemed to me that it meant high-rank officers

What is the meaning of The top military brass listened sympathetically? - Question about English (US)

Military Tactics

Women in Africa's top brass: it's not just about the numbers

Brass Music Appreciation 1

Fanfare trumpet - Wikipedia

What is meant by 'military brass' in a military context? - Quora

What is meant by 'military brass' in a military context? - Quora

US military life summed up in a photo of troops picking up spent brass

TRADITIONS - Army West Point

What is meant by 'military brass' in a military context? - Quora

An Exclusive Preview of the New World War I Memorial, History

brass noun - Definition, pictures, pronunciation and usage notes Oxford Advanced Learner's Dictionary at

Brass Definition & Meaning

Definition & Meaning of Brass knuckles

Eastern brass chargers, mainly Indian origin, one with relief repoussé copper panels, depicting godd

Arabic? > English] I would love some translation of this heavy brass tray! I assume Arabic? : r/translator