CAPE CANAVERAL, Fla. – On the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, STS-119 Commander Lee Archambault and Pilot Tony Antonelli, wearing their launch-and-entry suits, head for the Shuttle Training Aircraft to practice shuttle landings. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – One of the two Shuttle Training Aircraft takes off from Shuttle Landing Facility runway at NASA's Kennedy Space Center in Florida. STS-119 Commander Lee Archambault and Pilot Tony Antonelli are practicing shuttle landings on the runway. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – On the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, one of the Shuttle Training Aircraft is ready for STS-119 Commander Lee Archambault or Pilot Tony Antonelli to practice shuttle landings on the Shuttle Landing Facility's runway. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – STS-119 Pilot Tony Antonelli (left) and Commander Lee Archambault happily pose for a photo after practicing shuttle landings in Shuttle Training Aircraft at NASA's Kennedy Space Center in Florida. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – One of the two Shuttle Training Aircraft flies over the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. STS-119 Commander Lee Archambault and Pilot Tony Antonelli are practicing shuttle landings on the SLF runway. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – One of the two Shuttle Training Aircraft approaches touchdown on the Shuttle Landing Facility runway at NASA's Kennedy Space Center in Florida. STS-119 Commander Lee Archambault and Pilot Tony Antonelli are practicing shuttle landings on the runway. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – On the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, STS-119 Commander Lee Archambault is seated in the Shuttle Training Aircraft to practice shuttle landings. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett