Abstract : This paper reviews the current status of an ongoing program to demonstrate the application of DARPA Image Understanding research to a photointerpretation system using real imagery. The program is based on the ACRONYM vision system, developed by Rod Brooks and Tom Binford at Stanford University on the DARPA Image Understanding Project. This system was chosen for its sophistication and potential for extension. ACRONYM is running in FRANZLISP on a VAX with the DARPA IU Testbed environment. Current work on the project involves extending ACRONYM to meet the specific application requirements. These extensions include improving the robustness of the low level description module, broadening the class of information generated by the prediction system (including the ability to predict shadows), and adding a script driven situation assessment module. This latter module will provide the capability to understand a series of interpretation results. (Author)