The D Brief: Commandant’s ARG/MEU push; Army acquisition reform; B-21, ICBM projects; ‘DoW’ price tag; And a bit more.

U.S. national security requires three deployed ARG/MEUs, Marine Corps commandant argues in Defense One. That’s Amphibious Ready Groups and Marine Expeditionary Units, like the one built around the amphibious assault ship Iwo Jima that has been sailing in the Caribbean since August.Once the United States could keep three such groups at sea, ready to respond to conflict or other need, Gen. Eric Smith writes. “But as the nation focused on extended land campaigns in the Middle East, the