A method at a Unmanned Aerial Vehicle (UAV), and a UAV, adapted therefore, is adapted for enabling assisting in a rescue mission, where the method comprise: initiating a first localization of at least one body or object; initiating an analysis, for determining, at least partly based on the first localization of the at least one body or object, a need for activities, and initiating the determined activities, comprising applying floatable foam to an area on or in close proximity to the at least one body or object, while applying, to the floatable foam, a recognizable means capable of assisting in a second localization of the at least one body or object.