Does denser ISR, space surveillance and global precision strike remove geography as a defensive layer?
Short answerNo. An attacker must locate a moving ship, predict its position and find an approach that reaches it.
NotesIncreasing surveillance and longer-range precision strike leave the problem of finding a ship. The attacker needs its current position and a prediction of where it will be when the weapon arrives. A usable angle of approach also matters. Steep-sided fjords illustrate terrain restricting that approach. Geography remains part of defence even when an attacking system travels a great distance.