• The US Navy selected Adm. Daryl Caudle as its next leader, marking a significant change in command.
• The Coast Guard is responding to Chinese activity near Alaska with increased deployments.
• The Navy is considering building 'battleships' with a new shipbuilding plan.
• The Navy is developing an unmanned surface vessel, the Modular Attack Surface Craft.
• The Navy's shipyard revamp strategy is evolving amid cost and schedule changes.

These stories suggest the US Navy is focusing on adapting to changing security threats and investing in new technologies. The selection of Adm. Caudle as CNO may indicate a shift towards a more operational approach, while the Coast Guard's response to Chinese activity near Alaska highlights the growing concern about regional security. The consideration of building 'battleships' could lead to significant changes in the Navy's shipbuilding plan, and the development of an unmanned surface vessel may signal a new era in naval warfare.