Early 20th-century Ordnance Survey six-inch map of the South Downs north of Chichester, showing Chilgrove House, Chilgrove Hill, Stoughton Down and Goosehill Camp, the ground used by 1st KOSB for Exercises "DAD" and "SINNER" on 19 April 1944.

"A" Company acted as advance guard to the Battalion, advancing along the high ground of the South Downs towards Chilgrove Manor, north of Chichester in West Sussex, supported by a section of carriers and a section of mortars.