Traitors and spies are hung or what ever the current favorite method of execution is. I believe they electrocuted the Rosenbergs.
The problem is the Constitutional requirements for a charge of treason. Very hard to meet. Espionage is much easier.
Target description please, shell and fuse combination, over. Otherwise you are getting one round of HE delay. I have not done Talk an untrained observer through a fire mission in years.
Fire Mission, troops and armored vehicles in the open, shell NUC, fire for effect.
Assuming you already have the coordinates, of course.
Did I hit anything? :-)