Fireball XL5 was a World Space Patrol vehicle of the 21st century. It patrolled Sector 25 to maintain the security of Earth from aliens. The ship was launched by boosters from Space City, and was inter-planet capable. Exploration of planets could be carried out using the detachable front of the vehicle, called 'Fireball Junior' Fireball XL5 is commanded by Colonel Steve Zodiac, with a crew of four including a robot and a pet Lazoon. The series was designed by Gerry and Sylvia Anderson, it preceded Thunderbirds and was first broadcast in the UK in 1962.