Question: The Yokosuka B4Y, (Navy Type 96 Carrier Attack Bomber), is an aircraft carrier, and torpedo bomber was used by the Imperial Japanese Navy Air Service from 1936 to what year?
Sentence (from "Aircraft carrier"): An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft.
Relevant evidence: Yes