B-21 cost $564 million apiece, and up to 100 units planned to be built, expected to enter service around 2025
Leadership Short: Secretary of The Air Force - "A Bomber For The 21st Century"
RAAF - Exercise Cope North 2016
Declassified footage: Iranian vessels fire rockets near US aircraft carrier in Strait of Hormuz
German Armed Forces - Puma Infantry Fighting Vehicle Technology