An ongoing joint military exercise involving a comparatively small number of American and Armenian troops at a base in the Yerevan suburbs has caused a paroxysm of rage in the Kremlin. The 11-day joint exercise, dubbed Eagle Partner, will run through July 24 and is intended to boost the “interoperability between the US and Armenia during peacekeeping and stability operations,” according to a report distributed by the US European Command. It isn’t the number of troops involved that have Russian officials in a tizzy, its more about the timing and symbolism of the joint exercise. It is a tangible…