Who took over as the new Defence Secretary of the United States of America (USA) on 23 July 2019?
A. Mark Esper
B. Ryan McCarthy
C. Patrick M. Shanahan
D. Heather Wilson
Answer:A
Who took over as the new Defence Secretary of the United States of America (USA) on 23 July 2019?
A. Mark Esper B. Ryan McCarthy C. Patrick M. Shanahan D. Heather Wilson