918
The airdrop _ one of the biggest paratroop drops in decades _ was a dramatic entry for ground troops into a region where only small groups of U . S . special forces have been operating .
 troops: artifact; region: destination
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: transport 
  Option: victim, artifact, destination, place, origin, vehicle, agent 
Text: {0} 
Answer:
 troops: artifact; region: destination