He's trying to sail a small boat around the Americas.
He's three months into his voyage and figures he has another seven to go.
Rutherford's 27-foot boat doesn't have room to stand.
He says it's like living in a small, wet cave -- that's always moving.
So why do it?
He wants to raise money for Chesapeake Region Accessible Boating -- known as CRAB.
Rutherford tells The Capital of Annapolis, Maryland, that every day at sea is one of small victories and defeats.