SITE O is an international research/discussion group of people from around the World. All the members have an interest in fortifications and/or artillery. The membership includes authors, members of the military, museum curators and professors who are involved in research on these topics. Many others have a strong interest in these topics, ranging from ancient history to the modern era. Our group includes students, teachers, medical doctors, business men, military personnel and people involved in many non-related professions. We have representation in North America, South America, Europe, Africa, Asia, Australia and New Zealand.
CDSG - Coast Defense Study Group