> 2) How easy is it to operate these shafts in a degraded capacity if there is physical damage to the vessel during operations? This is my concern as well. I f

> 2) How easy is it to operate these shafts in a degraded capacity if there is physical damage to the vessel during operations? This is my concern as well. I fear poor uptime during busy operations, and in a real shooting war, for it to end up in drydock after its first or second engagement. I'm curious to know the military history regarding the relationship between (a) how much a country faces an existential threat vs. (b) the attributes of their weapon designs.