Surfers are being trained to use shark-spotting drones as part of a new plan to keep our beaches safe all year.The drone program is being launched in tribute to boardrider Mercury Psillakis, who was killed in a shark attack at Dee Why on Sydney's Northern Beaches in September.For the Psillakis family, the tragedy of a fatal shark attack remains very raw.READ MORE: 'Real uncertainty': Albanese warns fuel crisis could worsenSurfer Mercury Psillakis, who was killed in a shark attack, and