Table of Contents: Introduction -- U.S. military terms and definitions with British equivalent terms -- British military terms with U.S. equivalents -- Royal Air Force terms -- Differences between British English and American English : Spelling ; Pronunciation ; Vocabulary -- Abbreviations : Headquarters, formations, staff, appointments and services ; Commanders and staffs ; Regiments and corps ; Titles of units other than cavalry and infantry ; Reconnaissance code ; Miscellaneous ; Solution of unrecorded abbreviations -- Appendix A. Classification of documents : Categories ; Change of classification ; British and U.S. classifications -- Appendix B. Maps : General ; Scales ; Systems of reference -- Appendix C. Standard procedures for transmitting messages : General ; Standard procedures -- Appendix D. Conversion tables : Currency ; Weights and measures.