.in \w'ship type\0\0'u
.L shp#
the ship number
-.L ship type
+.L "ship type"
the type of ship; \*Qpatrol boat\*U, \*Qsubmarine\*U, etc,
.L x,y
the ship's current location,
the fleet designation letter (set by \*Qfleetadd\*U command),
.L path
the current retreat path,
-.L as flt?
+.L "as flt?"
whether these are fleet retreat orders,
.L flags
what conditions will trigger retreat.