subtask description that is table cc is subordinate to table cb and contains the subtask requirement this table contains the sequential task narrative entered at the subtask level the narrative will be entered in a step by step basis in order to document all subtasks required to perform the task under analysis subtasks should be detailed and sequenced to eliminate possibilities of technically incorrect procedures in the illustrative application the task narratives provide detailed step by step instructions on the performance of maintenance operations on sophisticated electrical and mechanical systems although in many applications video information would be of substantial utility the narratives generally only provide information in the form of text accordingly a particularly novel and advantageous feature of the invention is the provision of live action video in connection with the task narratives of a as of jun 6 1995 mil std 1388 2b database in accordance with the invention at step 16 video information relevant to selected task narratives is stored on video tape or other appropriate typically sequential access medium next at step 18 the video tape is transferred to a random access medium such as a compact disc in an analog implementation or computer hard disk in.