Johnson rifles and machine guns : the story of Melvin Maynard Johnson, Jr. and his guns 50 jaar F-16 bij de Koninklijke Luchtmacht : Mens en machine / Mike Schoenmaker en Niels Hoogenboom ; illustraties Gijs Dragt Rise of the machines : drone warfare in the Russia-Ukraine War - tactics, operations, strategy / Illya Sekirin ; edited by Andrew Simms