Assertion: squadron's pilot | /r/HasProperty | killed in action
Facets:
Source sentences:
text: The first pilot to be killed in action was Victor Chapman.
text: The 1st Aero squadron lost 16 pilots killed in action and three missing-in-action.
text: During the course of the war, the squadron suffered 23 pilots killed in action or missing and lost 48 aircraft to accidents or enemy contact.