(Reuters) -Satellite images show multiple new field deployments of armored equipment and troops from Russian garrisons near the border with Ukraine, a private U.S. company said on Sunday, in what its director said indicated increased military readiness. The new activity comes as Russia extended military drills in Belarus that were due to end on Sunday, heightening fears among Western powers over an imminent Russian invasion of Ukraine. The images released by U.S.-based Maxar Technologies, which has been tracking the buildup of Russian forces for weeks, could not be independently verified by Re…