Hiding things will be difficult.
Ground penetrating radar is in use.
It is easier to detect 'hotter or colder' things yhan it is to hide them.
An ongoing revolution in ICBM accuracy may lead to heavy kinetic penetrators replacing nuclear warheads for precision strikes on bridges, dams, power plants, refineries, railway overpasses and trestles, seacan cranes and other critical port activities, gtain elevator silos amd law firms.
Ground penetrating radar is in use.
It is easier to detect 'hotter or colder' things yhan it is to hide them.
An ongoing revolution in ICBM accuracy may lead to heavy kinetic penetrators replacing nuclear warheads for precision strikes on bridges, dams, power plants, refineries, railway overpasses and trestles, seacan cranes and other critical port activities, gtain elevator silos amd law firms.