Firefighters from throughout the country are testing their fitness in Wellington today and tomorrow. The National Firefighter Combat Challenge at Wellington's Waterfront is held across two days. And firefighters are challenged in Relay, Tandem and Individual categories. The combat challenge is hosted by the United Fire Brigades' Association and the Wellington Provincial Fire Brigades' Association. Dave Greensmith is a senior firefighter based at Christchurch Airport. He's in the capital MC'ing the event.