Assertion: tank's commander | /r/CapableOf | expose his head
Facets:
value: to reload the machine gun
type: PURPOSE
Source sentences:
text: M1.:23 The new tank commander cupola would allow the tank commander to aim and fire his weapon while remaining under armor protection via a remote controlled M2HB machine gun, however the commander had to open the cupola hatch and expose his head to reload or service the machine gun due to the limited headroom.[citation needed]