Instrument Support Terminal India Standard Time Integrated System Test Information Society Technologies Integrated Services Telephone Indian Standard Time Institute of Science and Technology Irish Summer Time Information Systems Technology Institute of Simulation and Training Instrumentation Support Team Integrated Systems Test Interrupt Service Thread Inappropriate sinus tachycardia Incident Support Team Independent Sideband Transmission Information Services and Technology Information Systems and Technology Initial Service Term Initial Service Test Innovative Science and Technology Institute for Simulation and Training Instrument Science Team insulin sensitivity test insulin shock therapy Integrated Services Terminal intelligence support team International Standard Thread International Stroke Trial Internet Security Team
Instrument Support Terminal