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O

Objective

Specific and identifiable actions carried out during an operation.



OCHA

United Nations Office for Coordination of Humanitarian Affairs



oE

Government of Ethiopia


Officer

The ICS title for a person responsible for one of the Command Staff positions of Safety, Liaison, and Public Information.



Operational Period

The time scheduled for executing a given set of operation actions, as specified in the IAP. Operational periods can be of various lengths, but are typically 12 to 24 hours.


Operational Period Briefing

This a key part of the ICS and is conducted at the start of each new operational period during an incident or disaster response. It serves as a structured opportunity to communicate critical information to all responding personnel, ensuring everyone is aligned with the objectives, tasks, and priorities for the upcoming operational period.


Operational Period Planning Cycle (“Planning P”)

Often visualised as the “Planning P”, is a systematic process used in incident management to guide planning and decision-making during each operational period. It is a key concept in the ICS, widely used by emergency management organisations.


Operational Priorities

The desired end-state for the operations.



Operations Section

The ICS Section responsible for all tactical incident operations and implementation of the Incident Action Plan.



Operations-Based Exercises

Operations-based exercises are characterised by actual response, mobilisation of apparatus and resources, and commitment of personnel, usually held over an extended period of time.  Operations-based exercises can be used to validate plans, policies, agreements, and procedures and include drills, functional exercises, and full-scale exercises.  They can clarify roles and responsibilities, identify gaps in resources needed to implement plans and procedures, and improve individual and team performance. 

OPSEC - Operational Security

The implementation of procedures and activities to protect sensitive or classified operations involving sources and methods of intelligence collection, investigative techniques, tactical actions, counter-surveillance measures, counterintelligence methods, undercover officers, cooperating witnesses, and informants.

Organisation

Any association or group of persons with like objectives. Examples include, but are not limited to, governmental departments and agencies, NGOs, and private sector entities

Organisation and Assignment of Responsibilities

A component of the basic plan that lists tasks staff will perform in the event of incident by position and organisation. 

OSC - Operations Section Chief

A member of the General Staff who establishes the tactics to meet the incident objectives and directs all operational resources.




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