Feb. 14, 2017: Michael Flynn resigned as the White House National Security Adviser yesterday, Monday, Feb. 13, 2017, after only three weeks in office. Flynn resigned in the wake of controversy about his actions in phone calls with foreign diplomats during the presidential transition period. Flynn admitted in his Monday, Feb. 13, resignation letter that he did not give complete information to then-Vice President-elect Mike Pence and others about his phone calls with the Russian Ambassador. President Trump on Monday, Feb. 13, 2017, appointed the National Security Council Chief of Staff, retired U.S. Army Lt. Gen. Keith Kellogg, Jr., as the Acting National Security Adviser. Kellogg is a retired decorated U.S. Army veteran, and he was in the military from 1967 to 2003, including two Vietnam War tours. Kellogg was previously the Commander of the 82nd Airborne Division, in 1997 and 1998. Before his retirement, Kellogg was Director of the Command, Control, Communications, and Computers Directorate for the U.S. Department of Defense’s Joint Chiefs of Staff. Kellogg was most recently the Vice President of Strategic Initiatives at the Cubic Corporation.