The Zumwalt cruises past Portland Head Light on its way into Portland Harbor on Thursday after sea trials.

Annie Seucfert and her son Julian watch the Zumwalt-class destroyer at Fort Williams Park in Cape Elizabeth as it makes its way into Portland Harbor on Thursday.

The Zumwalt is escorted into Portland Harbor. Photo by Dave Cleaveland Maineimaging.com

The U.S. Navy’s new stealth destroyer, the Zumwalt, passes Fort Williams on its way to Portland Harbor on Thursday.

The Zumwalt is turned by tugboats in Portland Harbor. Photo by Dave Cleaveland Maineimaging.com

The Zumwalt, a guided-missile stealth destroyer built at Bath Iron Works, makes its way into Portland Harbor as seen from Bug Light in South Portland on Thursday.

Spectators watch from Bug Light in South Portland as the Zumwalt, a guided-missile destroyer, makes its way into Portland Harbor on Thursday.

The Zumwalt, a guided-missile destroyer, makes its way through Portland Harbor toward the Ocean Gateway Terminal on Thursday. Dignitaries, Navy officials, and others were on deck as a helicopter flew overhead taking photographs.

The Zumwalt passes Fort Williams State Park, with Ram Island Ledge Lighthouse in the background, on its way into Portland Harbor on Thursday.

The Portland Observatory rises in the background as the Zumwalt makes its way toward the Ocean Gateway Terminal on Thursday.

Supplies are loaded aboard the Zumwalt, a guided-missile destroyer undergoing sea trials, while it is docked at the Ocean Gateway Terminal in Portland on Thursday.

The morning sun glistens across the water as the Zumwalt exits the Kennebec River toward the Atlantic.

The Zumwalt launched from Bath Iron Works at 8:30 a.m. Monday and headed down the Kennebec River towards Popham Beach as a crwod of people waved and took photographs.

Hundreds of VIPs onboard watch the shoreline as the Zumwalt launches from Bath Iron Works in Bath.

The Zumwalt leaves the Kennebec River on Monday in Phippsburg.

The first Zumwalt-class destroyer glides down the Kennebec River on Monday in Bath.

The Zumwalt leaves the Kennebec River, passing a crowd of spectators near Fort Popham, a Civil War-era fortification, on Monday in Phippsburg.

The open ocean awaits the Zumwalt as it gets a sendoff down the Kennebec River.

The Zumwalt-class destroyer passes spectators at Fort Popham at the mouth of the Kennebec River in Phippsburg on Monday.

Spectators at Popham Beach watch as the U.S. Navy’s newest destroyer, a Zumwalt, sails down the Kennebec River toward the Atlantic for a series of sea trials after leaving Bath Iron Works on Monday morning.

The Zumwalt destroyer leaves the Kennebec River on Monday in Phippsburg.

People awaiting the Zumwalt’s arrival in Phippsburg waved as the ship headed their way.

Popham Beach was a good spot for photographs of the “stealth” destroyer as it made its way toward Portland.

The U.S. Navy's newest destroyer, a Zumwalt class, sails down the Kennebec River toward the Atlantic for a series of sea trials after leaving Bath Iron Works on Monday morning.