74692
The prototype was followed by two more aircraft , and all three were in service by June 1940 with Ala Littoria operating between Rome-Algiers-Barcelona .
 Ala Littoria
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ala Littoria