If you would like to thank someone for their bravery and courage, here is a sample letter of commendation for bravery.
We at [Organisation’s name] are greatly honored to commend you on your bravery and selflessness. Your exceptional presence of mind and enormous courage, has made you stand out of the crowd. We deeply appreciate your actions and look up to you with great respect.
Thank you for your valiant spirit and keep up the great work!