From a whiffery standpoint, they are all shiny, zero-timed and new!
It 
is astonishing what those nanobots can accomplish 

  Suddenly, SMOH is an obsolete term   

Put them through a Kestrel style upgrade.
Project 
Kestrel sounds like it was well-run. An out-there option would be adopting some LM 
Orion 21 features - glass cockpit, 7,000 shp PW150As with NP2000 props, etc.
In the ANU article, I spotted a minor typo which amused: "not even Lockheed Martin, had ever re-winged a P-5B Orion with P-5C wing". Now, an 
Orion fitted with the wings of a P-5 
Marlin is something I'd like to see  
