Naval officials of participating countries salute during the opening ceremony of a multinational exercise called "AMAN-23" in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participated in the five-day multinational exercise hosted by Pakistan's navy. It has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)

Pakistan's navy commandos stand guard during the opening ceremony of a multinational exercise called "AMAN-23" in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participated in the five-day multinational exercise hosted by Pakistan's navy. It has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)

Naval officials of participating countries stand in front of their countries' flags during the opening ceremony of the multinational exercise called "AMAN-23" in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participated in a five-day multinational exercise hosted by Pakistan's navy. It has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)

Pakistan's navy commando stands guard as naval personal carry national flags of participating countries during the opening ceremony of a multinational exercise called "AMAN-23" in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participated in the five-day multinational exercise hosted by Pakistan's navy. It has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)

Pakistan Naval personal carry national flags of participating countries during the opening ceremony of Pakistan Navy's Multinational Exercise "AMAN-23" (PEACE), in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participating in five-day multinational exercise hosted by Pakistan Navy has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)

Pakistan Naval personal stand in formation during the opening ceremony of a multinational exercise called "AMAN-23" in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participated in the five-day multinational exercise hosted by Pakistan's navy. It has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)

Pakistan naval personal carry national flags of participating countries during the opening ceremony of a multinational exercise called "AMAN-23" in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participated in the five-day multinational exercise hosted by Pakistan's navy. It has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)

Pakistan naval personal carry national flags of participating countries during the opening ceremony of a multinational exercise called "AMAN-23" in Karachi, Pakistan, Friday, Feb. 10, 2023. More than 50 countries participated in the five-day multinational exercise hosted by Pakistan's navy. It has begun in the Arabian Sea near the southern port city of Karachi in an effort aimed at enhancing cooperation in keeping the seas safe from pirates, terrorists and smugglers. (AP Photo/Fareed Khan)