Photo Gallery: Costa Mesa Fire Department training

Newly hired firefighters take part in a live burn training exercise in a flashover container during a six-week fire academy run by the Costa Mesa Fire Department on Wednesday, March 29.

Firefighter Tim Keating, left, and Capt. Joeseph Noceti with the Costa Mesa Fire Department watch the smoke behavior during a live burn training exercise in a flashover container on Wednesday, March 29.

Capt. Joeseph Noceti with the Costa Mesa Fire Department watches the smoke behavior during a training exercise in a flashover container on Wednesday, March 29.

Newly hired firefighters with the Costa Mesa Fire Deparment exit a flashover container during a training exercise as part of a six-week fire academy on Wednesday, March 29.

Bryan McMahon, a newly hired firefighter with the Costa Mesa Fire Department, removes his mask after a live burn training exercise on Wednesday, March 29.

Sweat runs down the face of Thomas Foskarino after a live burn training exercise in a flashover container, part of a six-week fire academy run by the Costa Mesa Fire Department on Wednesday, March 29.