The attributes that affect the design of OOTW analysis tools are fully defined here. Attributes that differentiate one type of operation (category) from another are labeled as definitive attributes. Other attributes differentiate among the situations within a category. Mission, Enemy, Troops, Terrain/Weather and Time Available (METT-T) analysis is used as a framework for grouping the attributes. However, the term "enemy" also refers to natural factors such as erupting volcanos, when appropriate. "Troops" also refers to non-military and friendly non-U.S. personnel. The definition of terrain/weather is extended to cover the general environment, including the geopolitical situation.


The rationale for engaging in OOTWs is often complex. The rationale may be humanitarian, political, economic, or military; however, it is usually a mixture.


Many OOTWs involve military assistance to civilians. The various types of assistance generate several sets of possible values.


Various attributes define constraints on military options.


In the OOTW context, the enemy may be human and may be some natural force (such as a volcano, a hurricane, or a disease epidemic) or it may be a combination.


Force structure is an expected attribute in any military operation. In OOTWs, the complexities that are possible generate several force-structure-related attributes.


The breadth of the coalition and the interactions with non-U.S. and non-military organizations create several important attributes that impact OOTWs.


Several location-based attributes are important to OOTWs.


OOTWs are inextricably embedded in geopolitics. The terrain/weather component of the METT-T analysis is expanded to consist of the total environment of the operation.


Time is an important attribute for any operation. In the context of OOTWs, it is useful to subdivide time into several attributes.

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