Harrington Space Facility, or HSF, was the primary ground-based space facility of Harrington Steading.
By the early 1910s PD, it was the newest spaceport on the planet Grayson, located about ten kilometers from Harrington City.
It was the location of the assassination attempt on Honor Harrington ordered by Steadholder Burdette. The attack resulted in the deaths of the Reverend Julius Hanks and 95 other personel. (HH5)