Pacific Vanguard Navy warships sail in formation with Australian, Korean and Japanese vessels during Pacific Vanguard in the Pacific Ocean, Sept. 14, 2020. The exercise is designed to improve multinational interoperability. SHARE IMAGE: Download Image: Full Size (0.99 MB) Tags: Navy Photo By: Official Japan Maritime Self-Defense Force VIRIN: 200911-N-CG284-0101M.JPG Photo Gallery