The June 5, 2007, acquisition decision memorandum certifies "a restructured (EFV) program that extends System Development and Demonstration (SDD) to allow development of a second set of EFV prototypes and delays milestone C (MS C) to 2011." Also includes a subsequent June 18, 2008, ADM that approves proceeding to the SDD-2 phase, including the procurement of seven prototype systems. Note: Both memos are marked "for official use only."