In the days of the first Anglo-Japan Alliance (1902-22) Japanese Navy escorted commonwealth ships across the Indian Ocean during WWI. Now the new type of alliance is back in the Indian Ocean.
Navy-to-navy relations have become exceptionally close again. This sums it up –
“Normally we hold discussion with other countries before joint drills, but with the British there is no need to, so they are easy to work with,” said Tatsuhiko Mizuno, an operation planning officer for the Kaga group.