Its members showed bravery when put in charge (5,7)
I believe the answer is:
light brigade
If this is the answer I cannot explain how the clue works.
Can you help me to learn more?
(Other definitions for light brigade that I've seen before include "they made mistaken charge" , "Unit commemorated by 1" , "Ill-fated cavalry unit in Crimean War" , "The charge of the -- -- (Tennyson)" , "The "noble six hundred"" .)