Sources: 

https://devops.com/the-evolution-of-incident-management/

https://spike.sh/blog/history-and-evolution-of-incident-management/

https://rootly.com/blog/a-primer-on-the-history-and-evolution-of-incident-management-to-today

https://www.fema.gov/txt/nims/nims_ics_position_paper.txt

https://artsandculture.google.com/story/the-fortified-towers-wall-platforms-and-watchtowers-of-the-great-wall-simatai-great-wall-tourist-area/SAVhLZQwDXng7Q?hl=en

https://www.usda.gov/sites/default/files/documents/ICS100.pdf

https://www.fema.gov/emergency-managers/nims

https://folklore.org/Monkey_Lives.html?sort=date

https://www.itnews.com.au/feature/what-is-chaos-engineering-the-art-of-breaking-things-purposefully-555100

https://www.gremlin.com/chaos-monkey/the-origin-of-chaos-monkey