About: http://webisa.webdatacommons.org/212995139

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	livery system which would be very cheap and concealable compared to rockets or other delivery systems.They could also be armed with high-pitched sonic devices for non-lethal psychological warfare or crowd control for riots.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org