It's KD5PLA in for KD5PLB on ISS

NASA has given the go-ahead for the launch of the space shuttle Atlantis Friday, June 8. The STS-117 mission will carry US astronaut Clay Anderson, KD5PLA, to the International Space Station to succeed Suni Williams, KD5PLB, as ISS Expedition 15 Flight Engineer. More

(Source: ARRL - Jun 4)