Ingenieurskantoor voor Scheepsbouw: Unter dem Deckmantel einer holländischen Firma arbeitendes dt. Büro für U-Boot-Entwicklung, unter Beteiligung der Vulkan-Werften in Hamburg und Stettin, sowie der Krupp-eigenen Germania Werft in Kiel und der AG Weser in Bremen. Zielsetzung der Firma war die Entwicklung von U-Booten unter Umgehung des Versailler Vertrages. Dutch registered firm in partnership with the German shipyards AG Vulkan Werft in Hamburg and Stettin; and the two Krupp-owned yards, the Germaniawerft in Kiel and the AG Weser in Bremen. Its objective was U-boat design, construction and for maintaining German know-how.

International VLBI Service for Geodesy and Astrometry

International Volunteer Service, sort of a Peace Corps but only for South Vietnam. Many "IVSers" were young draftable conscientious objectors and this was a U.S. government approved way for them to serve in Vietnam but not in the military.

International Visitor Survey - research on the behaviour of international visitors to NZ.

Izoliator vremenogo zaderzhania): Temporary holding cell at a police station. Under the jurisdiction of the Interior Ministry.

INRIA Videoconferencing System

Inter Virtual Switch

Idle Validation Switch Strategy input; On-off switch that the PCM uses to identify required operating mode; idle or power. 0 volts at idle, 12 volts off idle. PID: IVS (off/on)

interactive voice system