1 - Sources suggest that this operation was conducted at least in part by RC-135S Cobra Ball aircraft, although the Olympic first word is traditionally associated with the U-2 aircraft. Sources also suggest that Olympic Titan activity in support of EUCOM was terminated in 2007 due to or in light of undefined Israeli "missile activity." Sources also suggest that Olympic Titan involved the use of naval intelligence gathering platforms as well. Olympic Titan may have also been only an exercise at one time or that the codename was otherwise reused for an exercise, possibly run by the Department of Homeland Security.