Members of the U.S. Navy ceremonial guard hold an American flag over the Armstrong's remains. 
U.S. Navy personnel carry the remains of Apollo 11 astronaut Neil Armstrong during a burial at sea service aboard the USS Philippine Sea on Friday, September 14, in the Atlantic Ocean. Armstrong, the first man to walk on the moon on the Apollo 11 mission in 1969 died August 25 at age 82. 
U.S. Navy Capt. Steve Shinego, commanding officer of the USS Philippine Sea, presents the U.S. flag to Carol Armstrong following the burial at sea service. 
Navy members salute in honor of Armstrong. 
U.S. Navy Lt. Cmdr. Paul Nagy and Carol Armstrong, wife of Neil Armstrong, drop the remains of Neil Armstrong in the Atlantic Ocean. 
From left to right: Navy chaplain, Capt. Donald P. Troast, left, talks with Dean Armstrong, brother of the late Neil Armstrong, Eric "Rick" Armstrong, Neil Armstrong's son, and Molly Van Wagenen, Neil Armstrong's stepdaughter, from the top of the Navy ship as it departs from Mayport, Florida, a for the service. 
The American flag on the ship is seen at half-mast. 
Family members of the late Neil Armstrong and members of the U.S. Navy watch the ceremony. 
From left to right: June Hoffman, sister of the late Neil Armstrong and Armstrong's sons, Rick Armstrong, and Mark Armstrong look out from the USS Philippine Sea as it departs. - Neil Armstrong, first man to walk on moon, died August 25 at age 82
- Armstrong's wife participates in ceremony aboard USS Philippine Sea
- Hundreds attended Armstrong's memorial at Washington National Cathedral on Thursday
(CNN) -- The remains of Neil Armstrong were committed to the Atlantic Ocean on Friday during a ceremony aboard a U.S. Navy cruiser.
Armstrong's cremated remains were sent into the Atlantic Ocean during a burial-at-sea service aboard the USS Philippine Sea, NASA said. His wife, Carol Armstrong, participated in the ceremony.
Neil Armstrong, who died August 25 at age 82, was an aviator in the Navy before becoming the first person to walk on the moon, having flown 78 combat missions during the Korean War.
Astronaut Neil Armstrong, commander of Apollo 11 Lunar Landing Mission, with his family on August 26, 1963. 
Neil Armstrong at the NASA Training Center on September 1, 1963. 
Commander Neil Armstrong, right, and pilot David R. Scott prepare for the launch of Gemini 8 on March 16, 1966. In orbit, Armstrong had to bring the capsule under control when it began to spin out of control after docking with an unmanned target vehicle, and the mission was aborted. 
Armstrong poses for a portrait in July 1969. 
Armstrong leads crew mates Edwin 'Buzz' Aldrin and Michael Collins out of the space center on the Apollo 11 space mission to the moon. 
Apollo 11, the first manned lunar landing mission, was launched on July 16, 1969, with astronauts Armstrong, Edwin "Buzz" Aldrin and Michael Collins on board. Armstrong and Aldrin became the first and second men to walk on the moon, on July 20, 1969. 
Astronaut Neil Armstrong is seen in the reflection of Edwin 'Buzz' Aldrin's helmet during the pair's historic walk on the surface of the moon on July 20, 1969. 
Armstrong and Aldrin spent roughly two hours on the moon's surface. The photos of the moonwalk were taken by Armstrong. 
Armstrong presents a pair of pizzas in his kitchen in Houston, Texas, on March 1, 1969. 
The astronaut crew of the Apollo 11 mission are pictured in May 1969. Left to right are Neil Armstrong, commander; Michael Collins, command module pilot; and Edwin 'Buzz' Aldrin, lunar module pilot. 
Armstrong, Aldrin and Collins wave to crowds at a parade held in August 1969 celebrating their voyage. 
A commemorative button from 1969 celebrates the moon landing. 
Armstrong receives the first Congressional Space Medal of Honor from President Jimmy Carter, right, assisted by Capt. Robert Peterson, on October 1, 1978. Armstrong, one of six astronauts to be presented the medal during ceremonies held in the Vehicle Assembly Building (VAB), was awarded for his performance during the Gemini 8 mission and the Apollo 11 mission. 
President Richard Nixon applauds the Apollo 11 astronauts, who were confined in a quarantine trailer after their flight, on July 25, 1969. 
Neil Armstrong talks about the space program during an appearance before a U.S. House committee in 1986. 
Former Apollo astronauts meet with the media at the Apollo/Saturn V Center prior to a 30th anniversary banquet highlighting the contributions of aerospace employees who made the Apollo program possible on July 16, 1999. From left to right: Armstrong; Aldrin; Gene Cernan, who flew on Apollo10 and Apollo 17; and Walt Cunningham, who flew on Apollo 7. 
Collins, Armstrong and Aldrin are honored on Capitol Hill in July 2009 on the 40th anniversary of their mission. 
President Barack Obama poses for photographs with Armstrong in the Oval Office at the White House in 2009. 
Armstrong testifies before the House Science, Space, and Technology Committee about human space flight on Capitol Hill in September 2011. Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Commander of Apollo 11 Lunar Landing Mission.
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Commander of Apollo 11 Lunar Landing Mission.
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon
Armstrong: First man on the moon He earned his renown commanding the Apollo 11 space mission and landing on the moon on July 20, 1969, when he was 38.
Friday's ceremony came a day after hundreds of people attended a memorial service for him at Washington National Cathedral.
