William Kashtan (1909–1993), general secretary of the Communist Party of Canada
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Kashtan is also the name of a Russian combined artillery-missile anti-air system mainly used on naval ships or stationary turrets.
For example, hard currency stores were named Kashtan (Chestnut) in the Ukrainian SSR and Chinara (Oriental plane) in the Azerbaijan SSR, etc.
The frigates are armed with a new 3M-54 Klub attack anti-ship system with a vertical missile launcher, Shtil-1 multi-channel medium-range surface-to-air missile system (an export version of the SA-N-12 "Grizzly"), a Kashtan anti-aircraft missile and artillery system, a RBU-6000 depth charge launcher and Puma-Universal artillery system.
Eunice - A UNIX emulator for the VAX VMS operating system (based on software written by David Kashtan at SRI)
In 1970, Kashtan spoke out against the Front de libération du Québec (FLQ) group in Quebec, describing it as a terrorist organization and claiming that its methods were not consistent with genuine revolutionary behaviour.