British Prime Minister Boris Johnson is seeking to bolster any new NATO defenses against an amassment of troops by Russia on its border with Ukraine with the offer of a major military deployment to Europe. The prime minister’s office said the extra forces on offer would include sending defensive weapons to Estonia, and doubling British troops on the ground, with the potential deployment expected to signify the UK’s support for its Nordic and Baltic partners. “This package would send a clear message to the Kremlin—we will not tolerate their destabilizing activity, and we will always stand with our NATO allies in the face of Russian hostility,” Johnson said in a statement late on Jan. 29, days after he told parliament he was looking to “contribute to any new NATO deployments” to protect allies in Europe. “I have ordered our Armed Forces to prepare to deploy across Europe next week, ensuring we …