Defences against #E-bomb in #UpperAtmosphere #radioflash
www.telegraph.co.uk/news/uknews/...
DHS Combats Potential #ElectromagneticPulse #EMP Attack
www.dhs.gov/archive/news...
#ExecutiveOrder on Coordinating #NationalResilience to #ElectromagneticPulses
trumpwhitehouse.archives.gov/presidential...