text: In 2017, the USS John McCain collided with a merchant ship near this body of water.
full_question: In 2017, the USS John McCain collided with a merchant ship near this body of water. This body of water is at its narrowest point at Phillip’s Channel. The exclave of Cape Rachado is in this body of water, and is part of a state that is located to the northwest of Johor. This waterway connects the Andaman Sea to the South China Sea. Plans to construct the Kra Canal, which would relieve heavily congested shipping traffic through this body of water, are yet to be implemented by Thailand. For 10 points, identify this straight on which Singapore can be found.
first_sentence: In 2017, the USS John McCain collided with a merchant ship near this body of water.