The TUP (transfer under pressure) Diving System, designed and built in-house by N-Sea, has undergone a refit and been converted to allow it be used as a mobile system, deployable from most DPII support vessels and platforms. The system will be online August 2013. The TUP Diving System is comprised of a three-men bell, launch and recovery system, triple lock decompression chamber, an air/mixed gas dive control and hyperbaric rescue craft.