Abstract: In some examples, an engine desiccant rack for suspending one or more bags of a desiccant material within a housing of an aerospace structure includes a platform comprising a first edge region and a second edge region opposite the first edge region. In some examples, a system for preventing corrosion within a housing of a structure includes: a desiccant rack and one or more bags containing a desiccant material. In some examples, a method of installing a desiccant rack within a housing of an aerospace structure includes: installing a platform of the desiccant rack within the housing. In some examples, an articulating contact structure suitable for inclusion in desiccant racks according to the present teachings include: a body and a pivotable joint coupled to the body.