When did military and civilian maritime infrastructure diverge, and could a dreadnought share a dock with a liner?
Short answerThey could share docks; the key difference was that naval yards served emergency fleet needs while civilian yards had to sustain commercial workloads.
NotesDreadnoughts and large civilian liners could use the same drydock. Military and commercial infrastructure were not separated by an absolute physical boundary. A naval dockyard was organised around urgent service work and fleet priorities. A civilian dock needed enough regular business to remain financially viable, so ownership and operating purpose mattered as much as dimensions.