Assertion: designation's letter | /r/HasProperty | assigned
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The modification of an aircraft to carry out a new mission does not necessarily require a new suffix (e.g., F-111Cs modified for reconnaissance are designated RF-111C), but often a new letter is assigned (e.g., the UH-60As modified for Search and Rescue missions are designated HH-60G).