Israel has received the first of the thousand new U.S. 250 pound (actually 285/129 kg) Small Diameter Bomb (SDB, or GBU-39) it ordered earlier this year. Apparently these weapons arrived quickly, and it's believed that some SDBs have already been used during Israeli air raids on Gaza. Earlier, the Israeli had received a few SDBs for evaluation, and some of these were apparently dropped as well. The SDB is not cheap, Israel paid about $77,000 for each one. It was believed that Israel wanted this weapon not just for its precision, and low explosive (17 kg/38 pounds) power, but also...