amp Manion's footprint takes up a small corner of the base here, providing working space and housing for the Marines of the Special Purpose Marine Air-Ground Task Force - Southern Command. - Camp Manion's footprint takes up a small corner of the base here, providing working space and housing for the Marines of the Special Purpose Marine Air-Ground Task Force - Southern Command. The Marines live and work out of the area providing disaster relief, humanitarian assistance, and crisis response amongst other things to the counties of Central and South America.