http://www.etymonline.com/index.php?term=sniper
https://www.operationmilitarykids.org/army-infantryman-mos-11b/
https://www.goarmy.com/careers-and-jobs/ground-forces/firearms-ammunition/19d-cavalry-scout
https://www.armytimes.com/news/your-army/2024/03/29/101st-airborne-first-army-unit-to-field-next-generation-squad-weapons/
https://www.businessinsider.com/photos-us-military-sniper-ghillie-suit-wash-2021-2
https://bootcampmilitaryfitnessinstitute.com/2023/05/23/an-overview-of-the-us-army-sniper-school/
https://www.businessinsider.com/how-the-army-trains-snipers-at-fort-benning-2017-12#over-300-candidates-start-the-seven-week-sniper-school-course-at-fort-benning-each-year-in-early-august-46-soldiers-were-on-hand-for-the-first-day-each-had-already-met-demanding-criteria-including-navigation-and-marksmanship-evaluations-physical-fitness-tests-and-psychological-examinations-1
https://web.archive.org/web/20180804231523/https://en.oxforddictionaries.com/definition/us/fieldcraft
https://www.military.com/kitup/2017/05/modular-handgun-system-3.html
https://www.army.mil/article/197447/a_difficult_and_dirty_job_soldiers_push_their_limits_in_training_at_army_sniper_school
https://www.cnn.com/2021/11/09/politics/army-sniper-school-first-woman-graduate/index.html
https://thehill.com/policy/defense/4360959-army-school-graduates-its-first-active-duty-female-sniper/
https://www.businessinsider.com/how-army-snipers-are-trained-boot-camp-ghillie-suit-2022-1
https://www.sandboxx.us/news/history/morgans-riflemen-the-difference-a-small-elite-unit-makes/
https://www.mountvernon.org/library/digitalhistory/digital-encyclopedia/article/daniel-morgan
https://www.moore.army.mil/armor/316thcav/Sniper/Description.html&sa=D&source=docs&ust=1726499605574754&usg=AOvVaw0N15eVuDLfr-7Ag-tyMaHx
https://www.moore.army.mil/Armor/316thCav/Sniper/&sa=D&source=docs&ust=1726499605574875&usg=AOvVaw1KVOxbEV-JSSyYMlGv7Z85
https://www.youtube.com/watch?v=FfnM0TUFSTY&pp=ygUZd2h5IGlpcyBzbmlwZXIgdHJhaW5naW5nIA%3D%3D