CT computerized tomography
CXRS coherent x-ray scattering
DOD Department of Defense
DHS S&T Department of Homeland Security Science and Technology Directorate
EDS explosive detection system
ETD explosive trace detection
EWR/JAXPORT early warning radar/Jacksonville Port Authority
FAR false-alarm rate
ISO/IEC International Organization for Standardization/ International Electrotechnical Commission
JSTARS Joint Surveillance and Target Attack Radar System
MMW millimeter wave
NCCT Network Centric Collaborative Technology
NQR nuclear quadrupole resonance
NRC National Research Council
PD probability of detection
PETN pentaerythritol tetranitrate (explosive)
PFNA pulsed fast neutron analysis
PFNTS pulsed fast neutron transmission spectroscopy
RDT&E research, development, testing, and evaluation
RF radio frequency
ROC receiver operating characteristic
SPAN Secure Perimeter Awareness Network
STDO Security Technology Development Office
THz Terahertz
TSA Transportation Security Administration
TSL Transportation Security Laboratory
XML Extensible Mark-up Language