How's this for prickly:
http://www.globalsecurity.org/intell/systems/images/rc-12n.jpg
GUARDRAIL COMMON/SENSOR
(SYSTEM 1)
RC-12N [1995]
http://www.globalsecurity.org/intell/systems/guardrail.htm
http://www.globalsecurity.org/intell/systems/images/rc-12n.jpg
GUARDRAIL COMMON/SENSOR
(SYSTEM 1)
RC-12N [1995]
http://www.globalsecurity.org/intell/systems/guardrail.htm