ARMING THE TROOPS, EVERYWHERE. The momentum for arming troops at all military installations following the deadly Chattanooga shooting is growing, The Washington Post reports on the Checkpoint blog, as the armed services consider “immediate steps” to enhance security of personnel. What those steps will be, Defense Secretary Ashton Carter isn’t yet saying. But there seems to be support among the troops for more freedom to wield their firearms.

ALL ABOUT THAT BASE. At the reopening of the Cuban embassy in Washington, D.C., Monday, there was rejoicing, dancing – and protesting against Guantanamo. The future of the controversial base, trade and travel embargoes now remain the major hurdles left in the U.S.-Cuban relationship, as the Independent and several other international media outlets pointed out as the United States celebrated the resumption of diplomatic ties. Secretary of State John Kerry and his Cuban counterpart Bruno Eduardo Rodriguez Parrilla commented on the matter Monday.

SOME ADVANCED PARTICLE PHYSICS TO START YOUR MORNING. The future of nuclear compliance is antimatter, Defense One reports. Antineutrinos, specifically, which are apparently the most surefire way of detecting nuclear activity, including the exact level to which the uranium in a reactor’s core has been enriched, and thus give inspectors accurate data about what Iran is up to. Timeline? Two years to have such detectors at the ready, according to the report. A huge part of this deal rests on the science – we’ll see if that popularizes physics in America.