Interesting work from Peter Hartcher on the background to the Australian-UK-US submarine deal:
1. "Biden demanded bipartisan support before signing AUKUS. Labor was not told for months"
2. "Radioactive: Inside the top-secret AUKUS subs deal"
3. "AUKUS fallout: double-dealing and deception came at a diplomatic cost"
A just released detailed overview of the US nuclear weapons arsenal, from the Bulletin of the Atomic Scientists. Includes an interesting essay on US nuclear developments since the Trump years.
Here's a June up-date on the related congressional haggling, from the Arms Control Association.