R 231912Z APR 12 ALCGRSV 027/12 SUBJ: MESSAGE CANCELLATION A. COMCOGARD PSC Arlington VA R 231509Z Apr 12 ALCGRSV 025/12 B. COMCOGARD PSC Arlington VA R 231722Z Apr 12 ALCGRSV 026/12 1. Cancel reference A. 2. Replace with reference B. 3. CG PSC-RPM-1 POC: CWO P. L. Thompson-Yancey, (202)493-1789. 4. Internet release authorized.