Final answer:
Upon reporting for active duty, each service member is typically issued two identification tags, known as dog tags.
Step-by-step explanation:
The question relates to the standard procedure for the issuance of ID tags to service members upon reporting for active duty. Each service member is typically issued two identification tags, commonly known as dog tags. This practice ensures that in the event of any incident, the individual can be identified. These ID tags are critical for maintaining service member identification and are part of the initial issue of gear and uniforms upon joining active duty or reserve components, such as the National Guard.