Helipad

The UNIT HQ located in the City of London had a helipad. (TV: The Star Beast ^[+]Loading...{"timestamp":"00:49:15","1":"The Star Beast (TV story)"}) The tardis, the fourteenth Doctor and Donna were transported to this helipad by a pair of helicopters, one of which appears to be a Chinook and the other a medium utility/transport helicopter, the helipad was accessible to and from the inside of the base by a set of large sliding doors, the helipad could also be used as a platform for firing the galvanic beam cannon from. (TV: The giggle)