The Mayflower Autonomous Ship during a special ceremony to mark its launch in Plymouth south west England, Wednesday, Sept. 16, 2020. Dignitaries, seafarers and scientists gathered in Plymouth, England, on Wednesday to mark the 400th anniversary of the departure of the Mayflower, the ship that carried a group of Puritan settlers to a new life across the Atlantic Ocean. (AP Photo/Susie Blann)Technicians check the hull and interior of the Mayflower Autonomous Ship at its launch site for it's first outing on water since being built in Turnchapel, Plymouth south west England, Monday, Sept. 14, 2020. The ship aims to cross the Atlantic from Plymouth, England, to Plymouth, Ma, USA, in April 2021, to become be the first totally autonomous ship to cross the ocean without any help from the outside. (AP Photo/Alastair Grant)Woody Johnson the U.S. Ambassador to Britain attends the special ceremony to mark the launch of The Mayflower Autonomous Ship in Plymouth south west England, Wednesday, Sept. 16, 2020. Dignitaries, seafarers and scientists gathered in Plymouth, England, on Wednesday to mark the 400th anniversary of the departure of the Mayflower, the ship that carried a group of Puritan settlers to a new life across the Atlantic Ocean. (AP Photo/Susie Blann)Technicians check the hull and interior of the Mayflower Autonomous Ship at its launch site for it's first outing on water since being built in Turnchapel, Plymouth south west England, Monday, Sept. 14, 2020. The autonomous ship aims to cross the Atlantic from Plymouth, England, to Plymouth, Ma, USA, in April 2021, to become be the first totally autonomous ship to cross the Atlantic ocean without any help from the outside. (AP Photo/Alastair Grant)The Mayflower Autonomous Ship is towed to its berth after being launched for it's first outing on water since being built in Turnchapel, Plymouth south west England, Monday, Sept. 14, 2020. The autonomous ship aims to cross the Atlantic from Plymouth, England, to Plymouth, Ma, USA, in April 2021, to become be the first totally autonomous ship to cross the ocean without any help from the outside. (AP Photo/Alastair Grant)Brett Phaneuf, President of Submergence Group, right, and Don Scott, Chief Technology Officer, MarineAI on board following the launch of the Mayflower Autonomous Ship in Plymouth south west England, Monday, Sept. 14, 2020. The autonomous ship aims to cross the Atlantic from Plymouth, England, to Plymouth, Ma, USA, in April 2021, to become be the first totally autonomous ship to cross the ocean without any help from the outside. (AP Photo/Alastair Grant)
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The Mayflower Autonomous Ship during a special ceremony to mark its launch in Plymouth south west England, Wednesday, Sept. 16, 2020. Dignitaries, seafarers and scientists gathered in Plymouth, England, on Wednesday to mark the 400th anniversary of the departure of the Mayflower, the ship that carried a group of Puritan settlers to a new life across the Atlantic Ocean. (AP Photo/Susie Blann)
