https://www.trngcmd.marines.mil/Units/South-Atlantic/SOI-E/Units/Advanced-Infantry-Training-Battalion/Scout-Sniper-Course/
https://www.thebalancecareers.com/marine-corps-scout-sniper-training-3332785
https://www.thebalancecareers.com/marine-corps-enlisted-job-descriptions-3345309
https://www.marinecorpstimes.com/news/pentagon-congress/2017/03/05/sniper-shortage-too-many-marines-are-washing-out-of-sniper-school/
https://www.businessinsider.com/this-intense-training-course-makes-us-marine-scout-snipers-the-deadliest-shots-on-earth-2015-2
https://www.defense.gov/Explore/Features/Story/Article/1868417/face-of-defense-making-marine-snipers/
https://www.thefirearmblog.com/blog/2017/03/23/analysis-scout-sniper-basic-course-failure-rate/
https://www.youtube.com/watch?v=ioTIUb_7y74
https://www.marinecorpstimes.com/news/your-marine-corps/2020/08/11/new-proof-of-concept-marine-scout-course-put-on-hold-indefinitely/
https://www.youtube.com/watch?v=vUvaENAmdtg
https://www.youtube.com/watch?v=yFaTFdN5VcI
http://recruitparents.com/bootcamp/qualification.asp
https://www.marines.mil/Portals/1/MCO%203574.2K.pdf
https://www.trngcmd.marines.mil/Units/West/SOI-W/