LEGO 7066 Earth Defense HQ is a 875 piece Space set with 5 minifigs released in 2011. It features a detachable laboratory trailer, interceptor shuttle, missile-firing ground defence unit, analysis bay, prison pod, mini rescue vehicle, and minifigures including an Alien Android, Alien Trooper, Alien Defence Unit soldier, and a scientist. It was retired in April 2012 with a lifespan of 11 months.

Description via Its a Block Party