Date Changes June 28-30, 2015 DSCA Policy Memo 15-38 Establish U. S. Government and Special Nonrecurring Cost (NC) Charges - AH-6i Light Attack-Reconnaissance Helicopter has been posted. This memo updates Appendix 1 - USML VIII - Aircraft and Associated Equipment. DSCA Policy Memo 15-39 Security Assistance Management Manual (SAMM), Administrative Changes has been posted.