Over time the military's focus has shifted to great power competition from adversaries such as China and Russia, and threats from Iran and North Korea
![Angela Merkel [Getty]](/sites/default/files/styles/image_156x88/public/media/images/C8CB507D-3620-4134-8B5A-9A24C6346520.jpg?h=d1cb525d&itok=VxpM2K-r "Angela Merkel [Getty]")
![Boris Johnson [Pool/Getty]](/sites/default/files/styles/image_156x88/public/media/images/42DDF743-0EBB-4958-8208-E772F04D83C7.jpg?h=d1cb525d&itok=wE-cnNGl "Boris Johnson [Pool/Getty]")
