Keywords :
cryptography; electronic warfare; government policies; military communication; personnel; security of data; telecommunication security; US National Security Agency; clandestine activities; defense industry; electrical engineers; electromagnetic noncommunications transmissions; electronic communications; encryption; foreign communication; global eavesdropping; intelligence gathering; interception; missile signals; radar signals; security clearance; sensitive compartmented information; signal detection; signals intelligence; technical challenges; technical complexities;
