Thailand PM approves first stage of navy mini-submarine project

Prime Minister Prayut Chan-ocha has approved a 200-million baht project to design a mini-submarine - the first step in the planned construction of a prototype for the Royal Thai Navy. 

The design will take an estimated four years, with construction of the prototype expected to take another two years at an expected cost of another one billion baht. 

Under the plan, the design will take four years and construction of the first mini-submarine another two years, to be followed by seaworthiness checks and training for one year, or a total of seven years,.