LIFE-CYCLE O&S COST COMPARISON:
                              PRIOR POE AND CURRENT POE
                            ALTERNATIVE:_______________ a

DATE:
WEAPON SYSTEM:
CONSTANT FY___$ (000)

                                    PRIOR POE        CURRENT POE                 NOTE
                                   (AS OF:___) b     (AS OF:___)      DELTA      REF. # c

1.0     MISSION PERSONNEL
        1.1     OPERATIONS
        1.2     MAINTENANCE
        1.3     OTHER MISSION PERSONNEL

2.0     UNIT-LEVEL CONSUMPTION
        2.1     POL/ENERGY CONSUMPTION
        2.2     CONSUMABLE MATERIAL/REPAIR PARTS
        2.3     DEPOT-LEVEL REPARABLES 
        2.4     TRAINING MUNITIONS/EXPENDABLE STORES
        2.5     OTHER

3.0     INTERMEDIATE MAINTENANCE (EXTERNAL TO UNIT)
        3.1     MAINTENANCE
        3.2     CONSUMABLE MATERIAL/REPAIR PARTS
        3.3     OTHER

4.0     DEPOT MAINTENANCE
        4.1     OVERHAUL/REWORK 
        4.2     OTHER

5.0     CONTRACTOR SUPPORT
        5.1     INTERIM CONTRACTOR SUPPORT
        5.2     CONTRACTOR LOGISTICS SUPPORT
        5.3     OTHER

6.0     SUSTAINING SUPPORT
        6.1     SUPPORT EQUIPMENT REPLACEMENT
        6.2     MODIFICATION KIT PROCUREMENT/INSTALLATION
        6.3     OTHER RECURRING INVESTMENT
        6.4     SUSTAINING ENGINEERING SUPPORT
        6.5     SOFTWARE MAINTENANCE SUPPORT
        6.6     SIMULATOR OPERATIONS
        6.7     OTHER

7.0     INDIRECT SUPPORT
        7.1     PERSONNEL SUPPORT
        7.2     INSTALLATION SUPPORT

        GRAND TOTAL

SYSTEM COST DRIVERS d

        PROCUREMENT QUANTITY
        OPERATIONAL QUANTITY
        OPTEMPO
        FUEL CONSUMPTION
        MILPERS AUTHORIZATIONS  

NOTE: REFLECTS GENERIC COST ELEMENT STRUCTURE. SUBSTITUTE CES APPROPRIATE FOR SYSTEM BEING ESTIMATED.

a. IDENTIFY TITLE OF PROPOSED ALTERNATIVE (OR OF OTHER ALTERNATIVES, WHERE APPLICABLE). A SEPARATE FORMAT MUST BE COMPLETED FOR EACH ALTERNATIVE.

b. AT MILESTONE I, PRIOR POE AND CURRENT POE WILL NORMALLY MATCH. FOR SUBSEQUENT PERIODS, PRIOR POE WILL REFLECT THE POE COMPLETED AND APPROVED FOR THE PRIOR MILESTONE.

c. IDENTIFY REFERENCE NUMBER IN "NOTE REF. #" COLUMN AND SEPARATELY EXPLAIN COST DIFFERENCES.

d. IDENTIFY THE PARAMETERS FOR SIGNIFICANT COST DRIVERS WHICH MAY HAVE CHANGED SINCE THE LAST ESTIMATE. TAILOR THE LIST AS APPROPRIATE.