                               Command : HARDEN

 SYNTAX:
   [##:##] Command: harden <PLANES|SECTORS> <LEVEL>

The harden command is used both to  install  missiles  into  protective  silos
which  can  prevent  their destruction during a nuclear or non-nuclear attack,
and also to initially construct and later reinforce  military  bunkers.   Each
successive  harden  command will add to the current hardness level of the mis-
sile or bunker in question.

Each point of hardening uses one unit of  heavy  construction  materials,  and
costs $5.  For bunker reinforcement, each point additionally requires 1 avail-
able worker.

Once a missile has been placed in a silo (hardened to a level greater than  0)
it can no longer be moved.

See also : launch, nuke-types, plane-types, bunkers

