Gatchaman #14 is coming in November. They've teased the story, but if you don't want to know ahead of time, I added the synopsis in spoiler mode. Just click on it if you want to see.
Spoiler
The Science Ninja Team launches a daring assault on Galactor’s polar ice facility, racing to shut down the killer whale mechas before more I.S.O. bases fall. Meanwhile, Katse unveils the newly transformed Blackbirds and sends them off on a top-secret mission.
