CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, a United States Postal Service poster reveals the two new stamps that commemorate the 50th anniversary of human spaceflight. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, Mercury Astronaut Scott Carpenter speaks to the audience gathered for the unveiling of two new stamps that commemorate the 50th anniversary of human spaceflight from the United States Postal Service. Listening to him speak is Director of Education and External Relations for Kennedy, Cheryl Hurst (left), Center Director, Bob Cabana and United States Postal Service Official Steve Massey. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, NASA's Deputy Director for Planetary Science, Jim Adams speaks to the audience after the unveiling of the two new stamps that commemorate the 50th anniversary of human spaceflight designed by the United States Postal Service. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, United States Postal Service official Steve Massey and Mercury Astronaut Scott Carpenter have the honor of unveiling the two new stamps that commemorate the 50th anniversary of human spaceflight. Applauding the unveiling is NASA Administrator, Charlie Bolden. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, Mercury Astronaut Scott Carpenter, NASA Administrator Charlie Bolden, Julie Jenkins, daughter of Mercury Astronaut Alan Shepard, and NASA's Deputy Director for Planetary Science, Jim Adams, enjoy a light moment during an event unveiling two new stamps to commemorate the 50th anniversary of human spaceflight from the United States Postal Service. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, NASA Administrator Charlie Bolden speaks to the audience in attendance for the United States Postal Service unveiling of two new stamps to commemorate the 50th anniversary of human spaceflight. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, NASA's Deputy Director for Planetary Science, Jim Adams speaks to the audience in attendance for the United States Postal Service unveiling of two new stamps that commemorates the 50th anniversary of human spaceflight. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, Mercury Astronaut Scott Carpenter addresses the audience during an event unveiling two new stamps to commemorate the 50th anniversary of human spaceflight from the United States Postal Service. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, United States Postal Service official Steve Massey addresses the audience during an event unveiling two new stamps that commemorate the 50th anniversary of human spaceflight from the United States Postal Service. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, Center Director Bob Cabana addresses the audience to announce the United States Postal Service unveiling of two new stamps to commemorate the 50th anniversary of human spaceflight. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, United States Postal Service official Steve Massey and Mercury Astronaut Scott Carpenter shake hands after unveiling the two new stamps that commemorate the 50th anniversary of human spaceflight. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, Laura Churchley (left), Alice Wackerman and Julie Jenkins, daughters of Mercury Astronaut Alan Shepard, applaud during an event unveiling two new stamps to commemorate the 50th anniversary of human spaceflight from the United States Postal Service. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, Laura Churchley (left), Alice Wackerman and Julie Jenkins, daughters of Mercury Astronaut Alan Shepard, speak to the audience in attendance for the United States Postal Service unveiling of two new stamps to commemorate the 50th anniversary of human spaceflight. Listening to them speak is Director of Education and External Relations for Kennedy, Cheryl Hurst (left), Kennedy Center Director, Bob Cabana and United States Postal Service official Steve Massey. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Rocket Garden at NASA's Kennedy Space Center Visitor Complex in Florida, the audience and speakers stand for the Pledge of Allegiance and the singing of the National Anthem by a member of the 45th Space Wing Honor Guard from Patrick Air Force Base in Florida. Also on stage are, from left, Director of Education and External Relations for Kennedy Cheryl Hurst, Center Director Bob Cabana and United States Postal Service official Steve Massey, Mercury Astronaut Scott Carpenter, NASA Administrator, Charlie Bolden, Julie Jenkins and NASA's Deputy Director for Planetary Science, Jim Adams, all in attendance for the United States Postal Service unveiling of two new stamps to commemorate the 50th anniversary of human spaceflight. One stamp commemorates NASA's Project Mercury and Alan Shepard's historic launch on May 5, 1961, aboard the spacecraft Freedom 7. The second stamp honors NASA's MESSENGER, which reached Mercury in March to become the first spacecraft to orbit the planet. The two missions frame a remarkable 50-year period in which America advanced space exploration through more than 1,500 crewed and uncrewed flights. Photo credit: NASA/Kim Shiflett

A new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. Taking part in the "First Day of Issue Ceremony" were astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson. Among the stamps issued is one of Space Shuttle Columbia (upper left corner), first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history

One of a new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. The stamp, shown here, is the Space Shuttle Columbia, first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history. Taking part in the "First Day of Issue Ceremony" are (left to right) astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson

One of a new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. The stamp, shown here, is the Space Shuttle Columbia, first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history. Taking part in the "First Day of Issue Ceremony" are (left to right) astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson

A new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. Shown taking part in the "First Day of Issue Ceremony" are (left to right) astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson. Among the stamps issued is one of Space Shuttle Columbia, first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history

One of a new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. The stamp, shown here, is the Space Shuttle Columbia, first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history. Taking part in the "First Day of Issue Ceremony" were astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson

One of a new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. The stamp, shown here, is the Space Shuttle Columbia, first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history. Taking part in the "First Day of Issue Ceremony" were astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson

A new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. Taking part in the "First Day of Issue Ceremony" were astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson. Among the stamps issued is one of Space Shuttle Columbia (upper left corner), first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history

A new series of U.S. Postage stamps, The 1980s, is unveiled at the KSC Visitors Complex. Shown taking part in the "First Day of Issue Ceremony" are (left to right) astronaut Richard Linnehan, U.S. Representative, 15th Congressional District, Dave Weldon, U.S. Postal Service District Manager Viki Brennan, Center Director Roy Bridges and President of the Visitor Complex Rick Abramson. Among the stamps issued is one of Space Shuttle Columbia, first launched in April 1981. This collection of stamps is the ninth in the Post Office's "Celebrate the Century" commemorative series honoring the last 100 years of American history

Nancy Warren, supervisor of stamp distribution for the U.S. Post Office, unveils the $3 commemorative Mars Pathfinder postage stamp at Kennedy Space Center's Visitor Complex on the second day of its issue. The stamp was first issued on Dec. 10 at the Jet Propulsion Laboratory, Pasadena, Calif. It depicts the Sojourner rover at rest on the Pathfinder spacecraft with a panoramic Martian view that is based on one of the first mission images sent back to Earth

Applauding the unveiling of the U.S. Postal Service's newest series of stamps, Space Discovery, are are (left to right) Barry Ziehl, U.S. Postal Service; JoAnn Morgan, KSC associate director of advanced development and shuttle upgrades; Karla Corcoran, Postal Service inspector general; Kristene A. Graves, a student from Lewis Carroll Elementary School; and Dr. Donald Thomas, astronaut and veteran of four Shuttle missions. During the ceremony, Kristene read her essay "My Stamp Adventure" that she had written for an area-wide contest for the event. The unveiling took place at the KSC Visitor Complex and coincided with NASA's 40th anniversary on this date. Behind the large display can be seen the mockup of an orbiter. The stamps were designed by renowned aerospace artist Attila Heija. The strip of five individual stamps together make up a futuristic scene complete with space vehicles, a futuristic space city, and space explorers. The stamps are available nationwide beginning Oct. 1

The U.S. Postal Service unveils its newest series of stamps, Space Discovery, at the KSC Visitor Complex. The event coincided with NASA's 40th anniversary on this date. Participating in the unveiling are (left to right) Barry Ziehl, U.S. Postal Service; JoAnn Morgan, KSC associate director of advanced development and shuttle upgrades; Karla Corcoran, Postal Service inspector general; Kristene A. Graves, a student from Lewis Carroll Elementary School ; and Dr. Donald Thomas, astronaut and veteran of four Shuttle missions. Behind them is the mockup of an orbiter. During the ceremony, Kristene read her essay "My Stamp Adventure" that she had written for an area-wide contest for the event. The stamps were designed by renowned aerospace artist Attila Heija. The strip of five individual stamps together make up a futuristic scene complete with space vehicles, a futuristic space city, and space explorers. The stamps are available nationwide beginning Oct. 1

Stephanie Martin, left, NASA Office of Communications, and Nilufar Ramji, NASA Office of STEM Engagement, host a live broadcast of “STEM Forward to the Moon” on July 19, 2019 from Kennedy Space Center’s Apollo/Saturn V Center in Florida. The special program featured kids participating in Moon landing simulations at four museums throughout the country: Cosmosphere in Hutchinson, Kansas; Saint Louis Science Center; Columbia Memorial Space Center in Downey, California; and Arizona Science Center in Phoenix.

Derrol Nail, left, and Marie Lewis, NASA Office of Communications, host a special Apollo 11 show titled “NASA’s Giant Leaps: Past and Future” on July 19, 2019. The show, which honored the heroes of Apollo and examined NASA’s future plans, was broadcast live from Kennedy Space Center’s Apollo/Saturn V Center in Florida. It featured segments from across the nation, including The National Mall in Washington, NASA’s Johnson Space Center in Houston, Neil Armstrong’s hometown of Wapakoneta, Ohio, and the Apollo 11 command module on display at the Museum of Flight in Seattle.

Stephanie Martin, left, NASA Office of Communications, and Nilufar Ramji, NASA Office of STEM Engagement, host a live broadcast of “STEM Forward to the Moon” on July 19, 2019 from Kennedy Space Center’s Apollo/Saturn V Center in Florida. The special program featured kids participating in Moon landing simulations at four museums throughout the country: Cosmosphere in Hutchinson, Kansas; Saint Louis Science Center; Columbia Memorial Space Center in Downey, California; and Arizona Science Center in Phoenix.

Astronaut Stan Love speaks at Kennedy Space Center’s Apollo/Saturn V Center on Friday, July 19, 2019. Love addressed a crowd at the Florida spaceport during a 50th Anniversary celebration of the Apollo 11 mission. The U.S. Postal Service issued two forever stamps to honor the historic moment. The event marked the first day of issue for the special stamps.

Derrol Nail, left, and Marie Lewis, NASA Office of Communications, host a special Apollo 11 show titled “NASA’s Giant Leaps: Past and Future” on July 19, 2019. The show, which honored the heroes of Apollo and examined NASA’s future plans, was broadcast live from Kennedy Space Center’s Apollo/Saturn V Center in Florida. It featured segments from across the nation, including The National Mall in Washington, NASA’s Johnson Space Center in Houston, Neil Armstrong’s hometown of Wapakoneta, Ohio, and the Apollo 11 command module on display at the Museum of Flight in Seattle.