noun
covering fire
Military term for firing weapons to protect advancing troops or to suppress enemy fire.
味方の援護射撃のおかげで、部隊は前進できた。
Thanks to covering fire from our allies, the unit was able to advance.
noun, noun or participle which takes 'suru', transitive verb
Figurative use: providing verbal support or defending someone in a debate, dispute, or difficult situation. Often used with する.
会議で彼が援護射撃してくれたので、提案が通った。
He backed me up in the meeting, so my proposal was accepted.
友達を援護射撃するために、証拠を集めた。
I gathered evidence to support my friend.