Wilson Sons, a port and shipping logistics operator with over 188 years of experience, has held the launch ceremony of WS Capella, the second tug of a new range of three high-powered tugboats.Just like WS Halcyon, baptised in January this year, WS Capella was built at the company's shipyard and is also an ASD 2312 class tug (23 meters long, 12 meters wide).