The quality group of professionals that SIX is able to assemble, have performed extensive training device modifications. Platforms modified include the MH-53, SH-3, KC-130 and the P-3C. When implementing modifications, a technical analysis and assessment of an Engineering Change Proposal (ECP) to determine the validity, feasibility, resource requirements and potential impact on the training system is performed. We identify the impact on the facility, device hardware, software and documentation. Our capabilities include: