Born in 1967 in Inglewood, California and raised in Anaheim, California where his parents Ralph
and Elsie still reside.  Graduated with honors from Esperanza High School in 1985.  

Selected as a Mission Specialist by NASA in May 2004.  In February 2006 he completed Astronaut
Candidate Training that included scientific and technical briefings, intensive instruction in Shuttle
and International Space Station systems, physiological training, T-38 flight training, and water and
wilderness survival training.  Upon completion of his training, Acaba was assigned to the Hardware
Integration Team in the Space Station Branch working technical issues with European Space Agency
(ESA) hardware.

SPACE FLIGHT EXPERIENCE: STS-119 Discovery (March 15-28, 2009) was the 125th Shuttle
flight, the 36th flight of Discovery and the 28th Shuttle flight to the International Space Station.  
The primary objective of this flight was to deliver the final pair of power-generating solar array
wings and truss element to the International Space Station.  The mission also delivered and returned
with an expedition crew member.  Acaba accumulated 12 hours and 57 minutes of EVA in 2
spacewalks. STS-119 returned to land at the Kennedy Space Center, Florida, having traveled 202
orbits and 5.3 million statute miles in 12 days 19 hours and 29 minutes.