Apollo 15 15 separated from the booster, the S-IVB maneuvered away, and would impact the Moon about an hour after the crewed spacecraft entered lunar orbit, though due to an error the impact was away from the intended target. The booster's impact was detected by the seismometers left on the Moon by Apollo 12 and Apollo 14, providing useful scientific data. There was a malfunctioning light on the craft's service propulsion system (SPS); after considerable troubleshooting, the astronauts did a test burn of the system that also served as a midcourse correction. This occurred about 028:40:00 into the mission. Fearing that the
Howl On "The Ballad of Neil Armstrong" celebrates Apollo 11's mission commander Neil Armstrong and the song "Irish Moon" is Kennedy's ode to another of the three astronauts, Michael Collins, who piloted the spacecraft as the other two astronauts landed on the moon. "The Blue One" is named for the Earth's image as seen on a photo taken by Voyager 1. A video of "Hey Joe" is a feature on YouTube videos at Kennedy's Official Films: . This song was previously best known as the debut single by The Jimi Hendrix Experience in 1966. Kennedy's 2009 cover was reviewed and given a