Shepherd One - Book 2 of the Vatican Knights Series
Shepherd One, the Papal plane, is commandeered by a terrorist cell calling itself the Muslim Revolutionary Front. On board: a nuclear payload half the yield of Hiroshima. Their demand to the U.S.: assassinate the five leading principals of Mossad. While American leadership is forced to follow through, Pope Pius is not without his own weapon, Kimball Hayden, leader of the Vatican Knights.