From the Stone & Stone site:
The Corts Foundation, the force behind the excellent translations of the Japanese Senshi Sosho volumes—
The Invasion of the Dutch East Indies and
The Operations of the Navy in the Dutch East Indies and the Bay of Bengal—has provided news about the upcoming third and final volume,
The Struggle in Sumatra and the Air Campaign:
"After the successful presentation of translations of volume 26 and volume 3, the preparations for editing the third part of our trilogy of the Japanese invasion in the former Dutch East Indies are in a final stage. This includes a complete chapter of volume 5, "Operations in Burma," and large parts of volume 34, "Army Air Drive to the Southern Pacific Area." The goal is to present this work by the end of 2020."