Samsung Heavy Enlists GTT for LNG Carrier Pair Tank Designs Maritime Activity Reports, Inc. June 10, 2026 (Credit: GTT) GTT has secured an order from Samsung Heavy Industries shipyard for the tank design of two new liquefied natural gas (LNG) carriers, on behalf of a Greek ship-owner. GTT will design the cryogenic tanks of the vessels, each offering a total capacity of 174,000 m3. The tanks will be fitted with the Mark III Flex membrane containment system, a technology developed by GTT. Delivery of the vessels is scheduled between the first and second quarters of 2029.