Chapter 64
Tankathlon is a new form of tank sport gaining slowly gaining popularity among Senshado enthusiasts. While also involving tank battles, Tankathlon is distinguished by its lack of official oversight allowing any school with tanks to participate in a battle anywhere at any time, and a 10-ton weight restriction on tanks used, limiting battles to light tanks and tankettes.
Chapter 18
A collection of manga, short-stories, and art arranged and published under the direction of the World Witches creator group Firstspear.
Chapter 5.5
An anthology of short stories by Nogami Takeshi in the Strike Witches universe, some new as well as a retelling of older chapters. The volume includes:-"The Witch of Andorra", the story of Iris Monfort and her friend Maria, told by Keiko.-"The Witch of Stuka", the story of Friederike Porsche and Michael Schmitt, told by Marseille.-"The Witches of Eiger", a story about explorers on Mount Eiger rescued by Britannian witches, told by Miles.-"Sengoku Witch", the story of Mori Ranmaru and Nobunaga, told by Mami.-"Shopping at the market", a retelling of 'The Witches of the Sphinx Vol.2' events showing different parts of the combat with new illustrations.(*paraphrased from World Witches Series wiki)