Is usually defence against US foreign influence in the World today. America have a critical mission to dominate by forces, a Pet project. Terror is like resistance.
We have been discussing US use of Nuclear Terror in the Middle East to control, not Defence but offence.
I have been giving advice on avoiding detection by Secret Services which involves remote drops of sealed packages & fake reasons. Neurological latent signal issues, no contact with Life, control outside of the offending subject authority in an Enemy authority, difficult, or at Sea. Cells important. Petrol Drones with photo recognition are very effective.
US Agents waiting for a blast in a Capital City.