US shipyard in such a dismal state the USN bought frigates from Italy and outsource repairs and maintenance to japan.

[syed putra]

U.S. seeks to 'integrate' Japan into defense industrial base
At summit, leaders to discuss co-development and co-production of munitions and platforms


Mitsubishi Heavy Industries' Tamano shipyard in western Japan is seen as one candidate location for repairing U.S. warships. (Photo by Masahiro Tamura)
KEN MORIYASU, Nikkei Asia diplomatic correspondent
April 3, 2024 19:02 JST
Updated on April 4, 2024 02:50 JST
WASHINGTON -- U.S. President Joe Biden and Japanese Prime Minister Fumio Kishida will agree to explore closer cooperation between their nations' defense industries at their summit here April 10, a U.S. government source told Nikkei Asia.

The cooperation will not be limited to repairing U.S. naval ships at Japanese private shipyards but will also envision the co-development and co-production of munitions, planes and ships in the future.

 

[k1976]

Nippon got self-healing tech development in their 6th Gen F3 Stealth fighter


A further feature will be a so-called 'Self Repairing Flight Control Capability' (自己修復飛行制御機能), which will allow the aircraft to automatically detect failures or damage in its flight control surfaces, and using the remaining control surfaces, calibrate accordingly to retain controlled flight.[9]


https://en.m.wikipedia.org/wiki/Mitsubishi_X-2_Shinshin