COBRA Algorithm Manual Page: 84 of 106
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Draft Deliberative Document - For Discussion Purposes Only - Do Not Release Under FOIA
Mothball Costs [Overhead]
The Mothball Costs for a non-Unique installation in a year is the Total Mothball Cost
times that year's Shut Down Time-Phasin.
Total Mothball Cost is either Mothball (Closure) Cost or Mothball (Deactivation/ Realignment)
Cost (from Standard Factors - Facilities Tab) times the Facilities Shut Down (in Screen Five - Base
Information (Dynamic)).. Whether a base is closing, realigning, or deactivating is specified in Screen
One - General Scenario)
Net Present Value
The Net Present Value in a year is equal to the NPV Adjusted Cost of that year plus the Net
Present Value of the previous year. The Summary Report displays the Net Present Value for Year 20,
and the Net Present Value Report will calculate Net Present Value for at least twenty years (if Payback
Year is greater than Year 20 but not 'NEVER', then the Net Present Value Report will display Net
Present Value up to Payback Year or Year 100, whichever comes first).
Officer Move Savings [Moving]
Officer Moving Savings for an installation is the number of Officers Realigning More Than 50
Miles (Realignments are in Screen Three - Movement Table, Distances in Screen Two - Distance
Table) times the One Time Officer PCS Costs divided by the Average Tour L ,ength (both in Standard
Factors - Transportation Tab).
Officer Salary Costs [Personnel]
The Officer Salary Costs for an installation in a year is one-half of the Officer Sal Costs for that
year, plus the full Officers Sal Costs of all previous years.
Officer Sal Costs in a year are the number of Officers Added in that year (Officer Scenario
Position Chanes in Screen Six - Base Information (Personnel), when Officer Scenario Position
Changes is greater than zero) times the Average Officer Salary in Standard Factors - Personnel Tab).
Beyond-Year Officer Salary Costs is the sum of all full Officer Sal Costs for all six years.
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United States. Department of Defense. COBRA Algorithm Manual, text, August 30, 2005; (https://digital.library.unt.edu/ark:/67531/metadc23414/m1/84/: accessed April 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.