You can sign up another person by clicking a link on the next page.
Spotter's are responsible for letting the shooter know every time they hit a target. Please have experience calling hits before signing up for this job.
Range Officer (RO's) are responsible for documenting scores, counting reps and maintaining a safe shooting environment
Choosing this means you don't have experience in spotting or RO'ing but are willing to learn and possibly help in other areas like keeping score.