Original sentence: Israel's official position is that the attack was an accident.USS Liberty was originally the 7,725-ton (light) civilian cargo vessel Simmons Victory (a mass-produced, standard-design Victory Ship, the follow-on series to the famous Liberty Ships which supplied England and Allied troops with cargo)
Edited sentence: Israel's official position is that the attack was an "accident".USS Liberty was originally the 7,725-tonne (light) civilian cargo vessel Simmons Victory (a mass-produced, standard-design Victory Ship, the follow-on series to the famous Liberty Ships which supplied England and Allied troops with cargo)