A field stretcher (102) comprising a patient carrying portion (104), a region thereof being operable to form a patient retaining pocket (150) for retaining the patient on the stretcher, in use and wherein the field stretcher further comprises attachment means operable to allow attachment of a detachable base plate. The invention also extends to a detachable base plate (202) comprising attachment means (270) operable to allow attachment of the base place to the field stretcher, a sheltering means and a field stretcher assembly (302) and field stretcher kit of such.