US President Trump on Thursday nominated a top Boeing executive to be deputy Defense secretary, the White House announced on Thursday.
Shanahan has been Boeing’s senior vice president for supply chain and operations since April. In that role, he’s responsible for the company’s manufacturing operations and supplier management functions.
He will take over the deputy post from Bob Work, who served in the Obama adminitration and has stayed on in an interim role until his replacement could be put in place 

Trump on Thursday also nominated David Joel Trachtenberg to be principal deputy under secretary of Defense for policy.
Trachtenberg is the president and CEO of Shortwaver Consulting, a national security consultancy. He was formerly principal deputy assistant secretary of Defense for international security policy and a staff member with the House Armed Services Committee.

Source: QNA