Whereas the UK Land model provides a generic representation of the business processes present within land systems, the US EFV model demonstrates how commonality between OSCAM models can be used to develop bespoke, program-specific tools.

Through the process of workshops comprising subject matter experts and experienced cost analysts, the options for the support system and operating policies of the EFV had been defined prior to translation into a simulation model at the quantitative level.

A Data Management Tool (DMT) for the OSCAM EFV model has also been developed, enabling maintenance philosophies to be applied to component level data within a work breakdown structure prior to simulation.

In addition, the OSCAM EFV model has undergone a rigorous verification and validation process in order to build confidence that it can be trusted when used properly with valid input data.

Developed for the US Marine Corps EFV Program Office, OSCAM EFV is a program specific model, building upon the fundamental structure of the OSCAM Land model.

Prior to development of the model, it became evident that the process used by the UK Army to support its equipment was broadly similar to that used by the US Marine Corps. Initial development of OSCAM EFV was therefore based on the existing OSCAM Land model, providing a sound basis for a model tailored to the needs of the EFV program.

HVR-CSL identified key areas where the processes associated with the EFV program differed from those of the existing UK Land model, therefore defining the overall scope of the problem and understanding the processes that needed to be represented.

Following translation of their current cost estimates into OSCAM, the EFV program office plan to employ the tool to provide life cycle cost estimates by means of what-if drills and trade-off studies across varying scenarios.