Operational Deployment Pay (ODP) is payable to Soldiers deployed away from their permanent duty station (PDS) / home station on an approved deployment lasting over 60 consecutive calendar days. The purpose of ODP is to provide a special pay in recognition of the greater than normal rigors of deployments.

Retired Soldiers on are not eligible for Operational Deployment Pay.

Operational Deployment Pay (ODP) Memorandum:
https://armypubs.army.mil/epubs/DR_pubs/DR_c/NOCASE-POG_219263-000-WEB-1.pdf

DoD Instruction 1340.26 (Assignment and Special Duty Pay):
https://www.esd.whs.mil/Portals/54/Documents/DD/issuances/dodi/134026p.pdf?ver=2019-01-11-075015-873

Army Regulation 637–1 (Army Compensation and Entitlements Policy):
https://armypubs.army.mil/epubs/DR_pubs/DR_a/ARN34387-AR_637-1-001-WEB-3.pdf