TEHRAN - China on Thursday hailed the recent joint naval exercises with Russia and Iran in the Sea of Oman, saying the drills boosted the ability of their navies to conduct diversified maritime missions.

The military drills further deepened friendship and practical cooperation among the three countries, Chinese defense ministry spokesman Tan Kefei told a news briefing.

Senior Colonel Tan said the three nations sent forces including 12 ships, special operations and diving units to participate in the drills.

China, Iran and Russia conducted joint naval exercises in the Sea of Oman from March 15-19. The military maneuver, dubbed the Marine Security Belt 2023, aimed to strengthen regional security. Observers from Pakistan and Kazakhstan also participated in the drills.