Final answer:
TRIC stands for 'Transaction Identifier Code', used in advanced technical fields to manage electronic systems such as Integrated Sensor Groups (ISGs).
Step-by-step explanation:
When the question asks about the TRIC used to load, change, or delete an Integrated Sensor Group (ISG), it is likely referring to a specific command or code in a system related to military, aerospace, or another advanced technical field where such terminology is used. TRIC, in this context, stands for 'Transaction Identifier Code'.
This code is part of a larger command and control system used to manage resources such as sensors or other electronic systems.
Using the appropriate TRIC, a technician or operator can load new configurations into the ISG, update its settings, or remove it from the system if it is no longer needed.