1974
But the glider flights ( DFS 230 ) bringing in supplies had ended a few days earlier and parachute drops had also been discontinued .
 vehicle: DFS 230
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 vehicle: DFS 230