Many of the current changes in glaciers and icesheets are triggered by melting from warm ocean water under floating ice shelves. Thinning of such ice shelves can lead to a loss of buttressing and acceleration of land-based ice into the ocean. Direct observations of melting under ice are very difficult to accomplish, however, for obvious reasons. Hot water drilling is one technique that gives us access to this environment. I will report from a recent Antarctic expedition during which we drilled through the 400 m thick Nansen Iceshelf in collaboration with the Korean Polar Institute. This will mostly be a slide show.