Thousands of US troops began descending on Israel this week. Senior US military sources told debkafile Friday, Jan. 6 that many would be staying up to the end of the year as part of the US-IDF deployment in readiness for a military engagement with Iran and its possible escalation into a regional conflict. They will be joined by a US aircraft carrier. The warplanes on its decks will fly missions with Israeli Air Force jets. The 9,000 US servicemen gathering in Israel in the coming weeks are mostly airmen, missile interceptor teams, marines, seamen, technicians and intelligence officers.