The Kiel shipyard Thyssenkrupp Marine Systems (TKMS) in northern Germany is handing over the second of four submarines to Singapore. Passers-by in the harbour were able to watch as the 70-metre boat was loaded onto a special ship. The Invincible is to be transported to Singapore using the Rolldock Star. A TKMS spokesman did not comment on this when asked. In April, the last of four submarines was christened Inimitable at a ceremony at the Kiel shipyard in the presence of German Defence Minister Boris Pistorius and Singapore’s former deputy prime minister and current Senior Minister Teo Chee He…