page_title: Catherine Caughey
section_title: World War II service
hierarchical_section_title: Catherine Caughey / World War II service
caption_attribution_description: English: A Colossus Mark 2 codebreaking computer being operated by Dorothy Du Boisson (left) and Elsie Booker (right), 1943
context_page_description: Catherine Mary Caughey MBE used Colossus computers for codebreaking at Bletchley Park during World War II.
context_section_description: Harvey was called up for war service in 1943. After thorough interviewing and testing, she was chosen to work as a "Wren" in the Women's Royal Naval Service (WRNS), allocated to "Special Duties X" at Bletchley Park. Here from early 1944, she worked in the "Newmanry" (named after Max Newman) using the Colossus computers for deciphering German High Command messages. Later she was responsible for the teleprinter room in the Newmanry, where Tunny (Lorenz cipher) messages were received from the main intercept station located in Kent.
caption: The Colossus computer, as operated by Catherine Caughey at Bletchley Park during World War II
exif: {"Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2003:03:31 16:25:07", "Image ExifOffset": "1156", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1294", "Thumbnail JPEGInterchangeFormatLength": "16048", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "3504", "EXIF ExifImageLength": "2337"}