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Joseph M. Acaba
Joseph Michael Acabá (born May 17, 1967) is an American educator, hydrogeologist, and NASA astronaut. In May 2004, he became the first person of Puerto Rican ancestry to be named as a NASA astronaut candidate, when he was selected as a member of NASA Astronaut Training Group 19. He completed his training on February 10, 2006, and was assigned to STS-119, which flew from March 15 to 28, 2009, to deliver the final set of solar arrays to the International Space Station. He is the first person of Caribbean and Puerto Rican origin, and the twelfth of fifteen people of Ibero-american heritage to have flown to space as a NASA astronaut.
Acabá served as a flight engineer aboard the International Space Station, having launched on May 15, 2012. He arrived at the space station on May 17 and returned to Earth on September 17, 2012. Acaba returned to the International Space Station in 2017 as a member of Expedition 53/54. From 2023 to 2025, Acaba served as the 18th Chief of the Astronaut Office.
Acaba's parents, Ralph and Elsie Acabá, from Hatillo, Puerto Rico, moved in the mid-1960s to Inglewood, California, where he was born. They later moved to Anaheim, California, where they still reside.Since his childhood, Acaba enjoyed reading, especially science fiction. In school, he excelled in both science and math. As a child, his parents constantly exposed him to educational films, but it was the 8-mm film showing astronaut Neil Armstrong's Moon landing that intrigued him about outer space. During his senior year in high school, Acaba became interested in scuba diving and became a certified scuba diver through a job training program at his school. He reportedly has enjoyed other outdoor activities like hiking, kayaking, camping, and hiking. His scuba experience inspired him to further his academic education in geology. In 1985, he graduated with honors from Esperanza High School in Anaheim. H
In 1990, Acaba received his bachelor's degree in geology from the University of California, Santa Barbara, and in 1992, he earned his master's degree in geology from the University of Arizona. Acaba was a sergeant in the United States Marine Corps Reserve where he served for six years. He also worked as a hydrogeologist in Los Angeles, California. Acaba spent two years in the United States Peace Corps and trained over 300 teachers in the Dominican Republic in modern teaching methodologies. He then served as island manager of the Caribbean Marine Research at Lee Stocking Island in the Exumas, Bahamas.
Upon his return to the United States, Acaba moved to Florida, where he became shoreline revegetation coordinator in Vero Beach. He taught one year of science and math in high school and four years at Dunnellon Middle School. He also briefly taught at Melbourne High School in Melbourne, Florida. Upon his return to Florida in fall 2012, Acaba began coursework in the College of Education at Texas Tech University. He earned his Master of Education, curriculum and instruction from Texas Tech University in 2015.
On May 6, 2004, Acaba and ten other people were selected from 99 applicants by NASA as astronaut candidates. NASA's administrator, Sean O'Keefe, in the presence of John Glenn, announced the members of the "19th group of Astronaut Candidates", an event which has not been repeated since 1958 when the original group of astronauts was presented to the world. Acaba, who was selected as an Educator Mission Specialist, completed his astronaut training on February 10, 2006, along with the other ten astronaut candidates. Upon completion of his training, Acaba was assigned to the Hardware Integration Team in the International Space Station branch, working technical issues with European Space Agency (ESA) hardware.
Acaba was assigned to the crew of STS-119 as mission specialist educator, which was launched on March 15, 2009, at 7:43 p.m., after NASA engineers repaired a leaky gas venting system the previous week, to deliver the final set of solar arrays to the International Space Station. Acaba, who carried on his person a Puerto Rican flag, requested that the crew be awakened on March 19 (Day 5) with the Puerto Rico folklore song "Qué Bonita Bandera" (What a Beautiful Flag) referring to the Puerto Rican flag, written in 1971 by Florencio Morales Ramos (Ramito) and sung by Jose Gonzalez and Banda Criolla.
On March 20, he provided support to the first mission spacewalk. On March 21, he performed a spacewalk with Steve Swanson in which he helped to successfully unfurl the final "wings" of the solar array that will augment power to the ISS. 2 days later, Acaba performed his second EVA of the mission, with crew member Ricky Arnold. The main task of the EVA was to help move the CETA carts outside of the station to a different location. On March 28 the Space Shuttle Discovery and its seven-person crew safely touched down on runway 15 at NASA's Kennedy Space Center in Florida at 3:14 p.m. EDT. Acaba said he was amazed at the views from the space station.
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Joseph M. Acaba
Joseph Michael Acabá (born May 17, 1967) is an American educator, hydrogeologist, and NASA astronaut. In May 2004, he became the first person of Puerto Rican ancestry to be named as a NASA astronaut candidate, when he was selected as a member of NASA Astronaut Training Group 19. He completed his training on February 10, 2006, and was assigned to STS-119, which flew from March 15 to 28, 2009, to deliver the final set of solar arrays to the International Space Station. He is the first person of Caribbean and Puerto Rican origin, and the twelfth of fifteen people of Ibero-american heritage to have flown to space as a NASA astronaut.
Acabá served as a flight engineer aboard the International Space Station, having launched on May 15, 2012. He arrived at the space station on May 17 and returned to Earth on September 17, 2012. Acaba returned to the International Space Station in 2017 as a member of Expedition 53/54. From 2023 to 2025, Acaba served as the 18th Chief of the Astronaut Office.
Acaba's parents, Ralph and Elsie Acabá, from Hatillo, Puerto Rico, moved in the mid-1960s to Inglewood, California, where he was born. They later moved to Anaheim, California, where they still reside.Since his childhood, Acaba enjoyed reading, especially science fiction. In school, he excelled in both science and math. As a child, his parents constantly exposed him to educational films, but it was the 8-mm film showing astronaut Neil Armstrong's Moon landing that intrigued him about outer space. During his senior year in high school, Acaba became interested in scuba diving and became a certified scuba diver through a job training program at his school. He reportedly has enjoyed other outdoor activities like hiking, kayaking, camping, and hiking. His scuba experience inspired him to further his academic education in geology. In 1985, he graduated with honors from Esperanza High School in Anaheim. H
In 1990, Acaba received his bachelor's degree in geology from the University of California, Santa Barbara, and in 1992, he earned his master's degree in geology from the University of Arizona. Acaba was a sergeant in the United States Marine Corps Reserve where he served for six years. He also worked as a hydrogeologist in Los Angeles, California. Acaba spent two years in the United States Peace Corps and trained over 300 teachers in the Dominican Republic in modern teaching methodologies. He then served as island manager of the Caribbean Marine Research at Lee Stocking Island in the Exumas, Bahamas.
Upon his return to the United States, Acaba moved to Florida, where he became shoreline revegetation coordinator in Vero Beach. He taught one year of science and math in high school and four years at Dunnellon Middle School. He also briefly taught at Melbourne High School in Melbourne, Florida. Upon his return to Florida in fall 2012, Acaba began coursework in the College of Education at Texas Tech University. He earned his Master of Education, curriculum and instruction from Texas Tech University in 2015.
On May 6, 2004, Acaba and ten other people were selected from 99 applicants by NASA as astronaut candidates. NASA's administrator, Sean O'Keefe, in the presence of John Glenn, announced the members of the "19th group of Astronaut Candidates", an event which has not been repeated since 1958 when the original group of astronauts was presented to the world. Acaba, who was selected as an Educator Mission Specialist, completed his astronaut training on February 10, 2006, along with the other ten astronaut candidates. Upon completion of his training, Acaba was assigned to the Hardware Integration Team in the International Space Station branch, working technical issues with European Space Agency (ESA) hardware.
Acaba was assigned to the crew of STS-119 as mission specialist educator, which was launched on March 15, 2009, at 7:43 p.m., after NASA engineers repaired a leaky gas venting system the previous week, to deliver the final set of solar arrays to the International Space Station. Acaba, who carried on his person a Puerto Rican flag, requested that the crew be awakened on March 19 (Day 5) with the Puerto Rico folklore song "Qué Bonita Bandera" (What a Beautiful Flag) referring to the Puerto Rican flag, written in 1971 by Florencio Morales Ramos (Ramito) and sung by Jose Gonzalez and Banda Criolla.
On March 20, he provided support to the first mission spacewalk. On March 21, he performed a spacewalk with Steve Swanson in which he helped to successfully unfurl the final "wings" of the solar array that will augment power to the ISS. 2 days later, Acaba performed his second EVA of the mission, with crew member Ricky Arnold. The main task of the EVA was to help move the CETA carts outside of the station to a different location. On March 28 the Space Shuttle Discovery and its seven-person crew safely touched down on runway 15 at NASA's Kennedy Space Center in Florida at 3:14 p.m. EDT. Acaba said he was amazed at the views from the space station.