Charles Brown, US Chairman of the Joint Chiefs of Staff, has embarked on an unannounced visit to the Middle East to prevent a new escalation in the region due to the threat of an Iranian attack on Israel, according to Reuters. The general began his trip in Jordan and plans to visit Egypt and Israel in the coming days to hear from military leaders. The visit comes as the US seeks to broker a ceasefire agreement in the Gaza Strip in exchange for the release of hostages between Israel and the Palestinian militant group Hamas, which, according to Brown, “help bring down the temperature” if achieve…