Naval forces from how many countries, including the United States, China, Russia and Turkey are participating in Aman-2021 from February 11-16. (A) 24 (B) 45 (C) 54 (D) 60â–ºCorrect Option Correct Answer is: BExperts say a week-long multinational naval exercise, organized by Pakistan, is set to begin in the Arabian Sea on Thursday, a move that could boost bilateral ties with several countries.