20 days expedition to try and unravel the mystery of the corallogenic rings off Cap Corse! The Gombessa 6 expedition flotilla, composed of the support and assistance vessel Pionnier, the catamaran Victoria IV and the barge from the French National Institute of Professional Diving (INPP), arrived in the port of Monaco late on Monday 19 July. The four aquanauts: Laurent Ballesta, Antonin Guilbert, Thibaut Rauby and Roberto Rinaldi exited the “bathyal station” the next day, Tuesday 20 July at 6 pm, after completing their decompression cycle.