The Bomber Offensive as a Second Front. Journal of Contemporary History. January 1987, 22 (1): 3–19. Biddle, Tami. Rhetoric and Reality in Air Warfare:
prompt and sustained offensive and defensive air operations. The Air Force shall be responsible for the preparation of the air forces necessary for the
launchs its first air strike against ISIS in Tikrit. Iraq news, the latest Iraq news. [30 April 2015]. (原始内容存档于2018-10-09). Iraqi offensive to retake Tikrit