Cross-Border Humanitarian Operations: Logistics of Modular Housing in Syria Cross border humanitarian operations involve the delivery of aid, infrastructure and essential services from neighboring countries into Syria to support displaced and vulnerable populations. Within these operations, modular housing plays a critical role by providing fast, durable and standardized accommodation that can be transported, assembled and commissioned efficiently across borders.Modular housing units are produced in factory controlled environments, shipped as complete or flat pack systems and installed on site to create organized settlements, staff compounds and social infrastructure. For humanitarian agencies working under time pressure and logistical constraints, modular construction more..