Marines and civilian-Marines welcome home Capt. Kelly Crone (second from right) contracting officer, Marine Corps Logistics Command, after a six-and-a-half-month deployment to Djibouti, Africa, July 24.While deployed, Crone served as the contracting officer, Combined Joint Task Force Horn of Africa, Djibouti, Africa. - Marines and civilian-Marines welcome home Capt. Kelly Crone (second from right) contracting officer, Marine Corps Logistics Command, after a six-and-a-half-month deployment to Djibouti, Africa, July 24.While deployed, Crone served as the contracting officer, Combined Joint Task Force Horn of Africa, Djibouti, Africa.