They still have to have money to pay for the wall. They cannot divert defense spending.
They can assign the military corps of engineers to strengthen our nation's security, as per their mission.
The
United States Army Corps of Engineers (
USACE)
[5] is a
U.S. federal agencyunder the
Department of Defense and a major
Army command made up of some 37,000 civilian and military personnel,
[1] making it one of the world's largest
publicengineering, design, and
construction management agencies. Although generally associated with dams,
canals and
flood protection in the United States, USACE is involved in a wide range of
public works throughout the world. The Corps of Engineers provides outdoor recreation opportunities to the public, and provides 24% of U.S.
hydropower capacity.
The corps' mission is to "Deliver vital public and military engineering services; partnering in peace and war to strengthen our Nation's security, energize the economy and reduce risks from disasters."[6]
"The mission of the
Department of Defense is to provide the military forces needed to deter war and to protect
the security of our country." Each uniformed service has its own mission statement/vision.