 Complete the following phrase:  In June 2004, Sánchez relinquished command of the Multi-National Force Iraq MNF-I to General George Casey, Vice Chief of Staff of the Army. Sánchez returned to Germany, where he continued as Commanding General, V Corps. He was briefly considered for promotion to four-star rank with assignment as Commander, Southern Command; nomination would have required Senate confirmation, which would have been contentious due to the 