Airborne surveillance and mission system comprising electronic passive and active sensors for sensing motion and proximity; communication and command and control systems comprising electronic passive and active imaging and acoustic sensors for use in military and civilian applications; scientific, surveying, monitoring, identification, signaling, checking, radar and microwave systems, sensors and apparatus, namely, radar apparatus and detectors; identification systems comprising antennas for friend or foe identification, transponders and antennas for maritime vessel automatic identification; electro optics equipment, namely, optical sensors, lenses, readers and scanners; electromagnetic spectrum measurement systems comprising receivers for electronic signals, antennas and computer hardware and software for detection of electromagnetic emitters and radar warning; high, very high and ultrahigh frequency radio communication equipment, namely, apparatus for transmission of communications, amplifiers, antennas for wireless communications apparatus, communications computers and servers; command, control and computer systems comprising computer hardware and software featuring control and display tools for operating workstations; parts and accessories for the aforementioned goods included in this class