https://en.wikipedia.org/wiki/Operation_Roundup_(1942)
History. Overseen by Brigadier General Dwight D. Eisenhower, the plan was developed in early 1942 and reflected American enthusiasm for an early entry into Europe.. Shortages of merchant shipping, landing craft, and other resources caused the plan for Roundup to be considered as unrealistic.It called for a force consisting of 48 Allied divisions and 5,800 aircraft, with a landing …