What does the cryptic crossword clue "Firm support for crisis response team (5)" mean?

The definition is "Firm". The wordplay uses a charade (building blocks). CO (synonym="firm") + BRA (synonym="support") = COBRA The answer is COBRA.

Firm support for crisis response team (5)

Independent Cryptic #11760 | 21 Down | 2024-06-19 flower