1845
At the time of the collision , both vessels were submerged and , according to the UK Ministry of Defence , moving " at very low speed " ; both are equipped with active and passive sonar , although only the latter is used on an operational patrol .
 organization: Ministry; organization: Defence
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Ministry; organization: Defence