Secretary of the Navy Ray Mabus and Chief of Naval Operations Adm. John Richardson announced the assignments in a Defense Department release published Friday.
Fanta has previously served as commander of the Expeditionary Strike Group 5, Amphibious Squadron 2, Bataan Expeditionary Strike Group, USS Rushmore and USS Falcon.
He also held positions such as combat systems and weapons officer for USS John Paul Jones, chief engineer on USS Pegasus, and 1st lieutenant and damage control assistant on USS Coontz.
Fanta’s career includes roles such as deputy director for resources and acquisition; director of the ballistic missile defense and combat systems integration at the surface warfare division and executive assistant to the assistant navy secretary.
Boxall has commanded USS Lake Erie in Pearl Harbor, Hawaii and USS Carney homeported in Mayport, Florida and has been deployed in missions across the Western Pacific, Atlantic and Indian Oceans as well as Baltic, Mediterranean and Caribbean Seas.
He also supported combat operations in the Arabian Gulf and counter-narcotics missions off South America.
Boxall served in various onshore staff positions and most recently as deputy director for surface warfare at OPNAV from May 2012 to July 2013 and deputy director for joint strategic planning in the joint staff from July 2013 to October 2014.