en drop zone (n, military)
― IsA ⟶
Weight: 2.0
en zone (n, location) Source: Open Multilingual WordNet
en drop zone (n)
― IsA ⟶
Weight: 1.0
en tactical area (n) Source: OpenCyc 2012
en drop zone (n)
― IsA ⟶
Weight: 1.0
en hexalateral object (n) Source: OpenCyc 2012