1. An assembly task verification system (ATVS), said system comprising: a work cell within a localized environment, the work cell utilized for assembling a structure using a tool configured to operate on a feature of a structure to be assembled; and an indoor object location system for locating at least one location sensor affixed to the tool within the work cell, an indoor object detection system base station comprising at least one sensor beacon and a base station communicatively linked to the at least one location sensor, the base station configured to: acquire location coordinates from the at least one locations sensor within the work cell upon receipt of an event signal from the tool; and identify one of a plurality of candidate features as the feature operated on by the tool at the time the event signal was received based on a probability calculation for each of the candidate features that each respective candidate feature is the feature operated on by the tool.