Bath Iron Works

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Sen. Susan Collins speaks to the media outside Bath Iron works, where she spoke during a ceremony marking construction of a new warship, Friday, Nov. 9, 2018, in Brunswick, Maine. (AP Photo/David Sharp)

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The future USS Thomas Hudner, a U.S. Navy destroyer named after Korean War veteran Thomas Hudner, looms over the audience during a christening ceremony at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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Water droplets from rain and melting snow gather on the shoulder of a crew member of the the future USS Thomas Hudner, a U.S. Navy destroyer named after Korean War veteran Thomas Hudner, during the ship's christening ceremony at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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The future USS Thomas Hudner is reflected in a puddle as a person walks through before the start of the christening ceremony at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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A crew member of the the future USS Thomas Hudner, a U.S. Navy destroyer named after Korean War veteran Thomas Hudner, struggles to put on a clear poncho during the ship's christening ceremony at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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Spectators sit amongst snow covered seats before the christening ceremony of the future USS Thomas Hudner, a U.S. Navy destroyer named after Korean War veteran Thomas Hudner, at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017.(AP Photo/Mary Schwalm)

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Korean War veteran Thomas Hudner looks on during the christening ceremony for the future USS Thomas Hudner, a U.S. Navy destroyer named in his honor, at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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Confetti and streamers fly as the future USS Thomas Hudner, a U.S. Navy destroyer named after Korean War veteran Thomas Hudner, is christened at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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Georgea Hudner, wife of Thomas Hudner, left, and Ship Sponsor Barbara Joan Miller, right, laugh, as they hold up their champagne bottles during the christening ceremony of the future USS Thomas Hudner, a U.S. Navy destroyer, at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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Georgea Hudner, wife of Thomas Hudner, left, laughs as she struggles to break the champagne bottle during the christening ceremony of the future USS Thomas Hudner, a U.S. Navy destroyer named after her husband at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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Korean War veteran Thomas Hudner looks on during the christening ceremony for the future USS Thomas Hudner, a U.S. Navy destroyer named in his honor, at Bath Iron Works in Bath, Maine, Saturday, April 1, 2017. Hudner, a naval aviator who crash-landed his plane to try to save a downed pilot in the Korean War was honored with a ship bearing his name. (AP Photo/Mary Schwalm)

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Lynda Johnson Robb, a daughter of the late President Lyndon B. Johnson, acknowledges the crowd after lifting her welding mask after assisting a shipyard worker at a keel-laying ceremony for the future USS Lyndon B. Johnson, Monday, Jan. 30, 2017, at Bath Iron Works in Bath, Maine. The ceremony marked the joining of two massive hull units, the first of several that will comprise the 610-foot Zumwalt class destroyer.(AP Photo/Robert F. Bukaty)

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Larry Stegna, a propulsion electrician at Bath Iron Works, holds up a poster the late President Lyndon B. Johnson, at a keel-laying ceremony for the future USS Lyndon B. Johnson, Monday, Jan. 30, 2017, at BIW in Bath, Maine. (AP Photo/Robert F. Bukaty)

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Luci Baines Johnson, left, and Lynda Johnson Robb, daughters of the late President Lyndon B. Johnson, acknowledge the crowd after assisting Bath Iron Works welder Timothy Trask, center, at a keel-laying ceremony for the future USS Lyndon B. Johnson, Monday, Jan. 30, 2017, at BIW in Bath, Maine. The ceremony marked the joining of two massive hull units, the first of several that will comprise the 610-foot Zumwalt class destroyer.(AP Photo/Robert F. Bukaty)

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Lynda Johnson Robb, a daughter of the late President Lyndon B. Johnson, laughs after lifting her welding mask after assisting Bath Iron Works welder Timothy Trask at a keel-laying ceremony for the future USS Lyndon B. Johnson, Monday, Jan. 30, 2017, at Bath Iron Works in Bath, Maine. The ceremony marked the joining of two massive hull units, the first of several that will comprise the 610-foot Zumwalt class destroyer.(AP Photo/Robert F. Bukaty)

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FILE - In this Sept. 7, 2016 file photo, the future USS Zumwalt heads down the Kennebec River after leaving Bath Iron Works in Bath, Maine. The nation's biggest and most technologically sophisticated destroyer joined the Navy fleet in 2016, one of the state's top stories of the year. (AP Photo/Robert F. Bukaty, File)