The Yellow Book provides THE USER IN THE FIELD with a ready "user friendly" consolidated reference to basic data and regulatory criteria. Hazard classification, physical security, marking, transportation and storage data and criteria for selected conventional ammunition and explosive items, guided missiles and rockets, current at the time of publishing, are presented in this listing. The data and criteria contained in this app are primarily derived from: -Joint Hazard Classification (JHCS) data base -Federal Logistics Information System data on Compact Disc (FED LOG) -Title 49, Code of Federal Regulations (49 CFR) -2008 Emergency Response Guidebook (ERG2008) This mobile app is not intended to supersede, contravene, or modify any of these publications or any other DoD or service criteria.