Current Context: The navies of South Korea, USA and Japan have started their first anti-submarine exercise from 3 April 2023.
![First anti-submarine exercise between the navies of South Korea, the US and Japan began First anti-submarine exercise between the navies of South Korea, the US and Japan began](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhv80nqeutIAkx_0HTwvghboBISaQKE3FWLRAbvcvaK9mLmRLa_r6yR3osaB5j6e27A_IIupFl00DovNlJqk7STHJUJOI6jkoTM7gXiihKjudvXW9h3sxJktAzjRD_XmMWQkdh_7ZvbWlkT8xwmlq_Vo8yw-7JzQE0NqCpjpILSBCyGpWeHgqKHmrzZ/w320-h180-rw/np_file_185588-870x489.jpeg)
- In addition to this anti-submarine exercise, the three countries will practice humanitarian search and rescue operations, including rescuing people overboard and treating emergency patients.
- The Defense Ministry statement said that this would be the first such training of the three countries in seven years.
- The maritime exercise is being conducted in the international waters off South Korea's southern island of Jeju.
- The US Navy's nuclear-powered aircraft carrier USS Nimitz is participating in it.
Question:
Q.1 Which countries participated in the anti-submarine drills?
a. South Korea
b. US
c. Japan
d. All of the above