Japan is reentering the arms market with its biggest arms export since WW2.  On Saturday, 4/18, Australia and Japan signed a contract for the export of 3 upgraded Mogami frigates made by Mitsubishi Heavy Industries.
https://youtube.com/watch?v=07jddVm92k4

The Australian government selected the Mogami frigate about 8 months ago in August 2025.
https://youtube.com/watch?v=wYfm5w1wr_Y
However, the details of the contract were not finalized until today.
https://www.navalnews.com/naval-news/2026/04/australia-signs-contract-with-japan-for-three-upgraded-mogami/