Assertion: designation | /r/HasProperty | a vehicle type symbol
Facets:
Source sentences:
text: Designations, which include a vehicle type symbol, must also include at least one basic or modified mission (see section (3) below) symbol to designate the mission of the "special" aircraft (i.e., the designation YV-22A is not conforming to the regulation).
text: Designations, which include a vehicle type symbol, can optionally omit the basic mission letter if a modified mission letter is used instead (as shown by the MQ-9A example).