Variations
The OPORD is the primary order that is given for a mission however it is not the only type of order that may be issued for a mission. Other types of orders may be issued to tell units an Operations Order may be forthcoming, a Warning Order, or to inform units during the execution of an Operations Order that the situation has changed and identifying changes in situation and mission, Fragmentary Order.
A Warning Order, or WARNO, is given in advance of the OPORD to let soldiers under the command know that they may be receiving an Operations Order. The WARNO contains a few basic details of the situation and what the mission may entail however much of the pertinent information for a proper Operations Order is still forthcoming.
Once an OPORD is given the situation may change before the mission is actually begun or during the operation the situation may change so that the Operations Order must be modified. In these cases the commander will issue a Fragmentary Order, or FRAGO. The FRAGO will state exactly how the situation and/or mission has been changed and what must be done to make up for the change.
Read more about this topic: Operations Order
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