Fairly certain I can now share what I've been working on for the past 6 months. Designing, building, and automating the game field for this:
https://www.wsj.com/articles/u-s-public-and-private-sectors-hold-joint-cyber-drill-0c4ab173
Our Cyber Range also designed, built, and automated individual LAN, DMZ, and OT segments for each company to defend along with some interesting coverage options for the attackers (shout out to CMU-SEI Ghosts).
It was a blast and I'm looking forward to some rest before the next big project.