Inflatable rescue boat squad members (above, from left) Jamie Walters, Seth McPhee, Mark Whelan and Cam Third leave Back Beach at Port Chalmers in Dunedin yesterday, as part of a marine search and rescue exercise. : Exercise simulates cruise ship disaster

Sea cadet Islay Benham (15) is assessed at Forsyth Barr Stadium yesterday by St John Dunedin area committee chairwoman Joyce Whyman. Photos by Gerard O'Brien. : Exercise simulates cruise ship disaster