Some of HM the King’s speeches are open to interpretation, but the below excerpt from a DPA article from HM the King’s 80th birthday speech in 2007 is fairly clear:

On a serious note, King Bhumibol used his birthday eve speech to admonish the navy for recently expressing the wish to buy a submarine, noting that submarines were unsuitable for Thailand. The Gulf of Thailand is a notoriously shallow body of water.

BP: Given the navy is again wanting to buy submarines, how should one interpret this…..

h/t to a reader