Date Changes Aug 23-29, 2015 DSCA Policy Memo 15-46 Revise United States Government and Special Nonrecurring Cost (NC) Charges - Modular Mission Computer (MMC) 7000AH has been posted. This memo updates Appendix 1 - USML XI - Military Electronics. DSCA Policy Memo 15-47 Revise U. S. Government and Special Nonrecurring Cost (NC) Charges - Radar, Scalable Agile Beam Radar (SABR), AN/APG-83 AESA has been posted. This memo updates Appendix 1 - USML XI - Military Electronics.