Assertion: ammunition's bullet | /r/CapableOf | test in the air battles
Facets:
value: operationally
type: MANNER
value: over dunkirk
type: LOCATION
Source sentences:
text: The B Mark VI incendiary bullets were first issued in June 1940 and tested operationally in the Hawker Hurricane and Supermarine Spitfire in the air battles over Dunkirk.