ThyssenKrupp Marine Systems (abbreviated as TKMS) is a German shipbuilding company founded in 2005 and headquartered in Dusseldorf, which is part of ThyssenKrupp and manufactures warships, submarines, etc.

The Luftwaffe is the German air force, established in 1956 with about 28,000 men, and has participated in the Kosovo and Afghanistan wars.

British Aerospace Systems (English: BAE Systems plc) is one of the world's largest arms manufacturers, founded in 1999 and headquartered in London from the merger of British and Marconi Electronic Systems. Its products include missiles, combat aircraft, warships, etc.

The Royal United Services Institute for Defence Studies (RUSI) is an independent think tank dedicated to cutting-edge defence and security research, and is the leading forum for national defence. It was founded in 1831 by the Duke of Wellington as a major forum for defense research. The website is the main gateway to RUSI, providing scientific research, news analysis and high-profile speeches.

Jane's Defence Weekly, the world's most authoritative military publication, was founded in 1984 and is published by Jane's Information Group, providing authoritative Jane's Information Group is the world's most authoritative military publication. Jane's Information Group has intelligence centers in the United States and Switzerland, and its "Jane's Warships" and "Jane's Global Aircraft" are also authoritative and professional military reference materials.

MI5 (MI5) is one of the world's most secretive intelligence agencies, responsible for safeguarding British national security and dedicated to stopping terrorism, the spread of weapons of mass destruction, counterintelligence and more.

The site is a famous British military history encyclopedia (Military History Encyclopedia), mainly provides world wars, regional conflicts, major battles, military ideological history, military academic history, military technology, war weapons and other content, to provide mankind with the foreword and enlightenment.

Accuracy International (AI) is a leading British firearms manufacturer founded in 1978 and headquartered in Portsmouth, producing sniper rifles that are used by many military forces. The famous products of Arctic International include Arctic Warfare, AX50 sniper rifle, AX338 sniper rifle and so on.

The Berlin Air Show (German: Internationale Luft-und Raumfahrtausstellung; English: ILA Berlin Air Show) is a famous international air show, first held in 1909 and held every two years (even years). The official website of the Berlin Air Show provides information on exhibition times, schedules, and air show news.

Cobham plc is one of the UK's largest defence companies, founded in 1934 and headquartered in Wimborne Minster, and is listed on the London Stock Exchange (LSE: COB). Cobham's products include radar, communications and electronic warfare systems, and has a high level of technology in the areas of aerial refueling and military vehicle intercom systems.