https://armypubs.army.mil/epubs/DR_pubs/DR_a/ARN30101-PAM_70...
https://safety.army.mil/Portals/0/Documents/ON-DUTY/AVIATION...
https://www.globalsecurity.org/military/library/policy/army/...
https://www.chemeurope.com/en/encyclopedia/Standing_operatin...
https://clik.dva.gov.au/sop-information/guide-using-sops
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3056180/
https://info.publicintelligence.net/ANA-7-10-2.pdf
https://www.cdc.gov/vhf/ebola/pdf/air-ground-patient-handoff...
Take your pick....