Landwasserschlepper
Landwasserschlepper (LWS) was an unarmed amphibious tractor produced in Germany during World War II. == Origins and development == Ordered by the Heereswaffenamt in 1935 for use by German Army engineers, the Landwasserschlepper (or LWS) was intended as a lightweight river tug with some capacity to operate on land. Intended to aid river crossing and bridging operations, it was designed by Rheinmetall-Borsig of Düsseldorf.