Original sentence: The Japanese Navy captured two Chance Vought Corsairs from an unknown Allied unit for evaluations fairly late in the war; one of examples originally marked YoD-150 was remarked with Yokosuka air testing signs, but they never flew them
Edited sentence: The Japanese Navy captured two Chance Vought Corsairs from an unknown Allied unit for evaluations fairly late in the war; one of examples originally marked YoD-150 was remarked with Yokosuka Ku air testing signs ED-150, but they never flew them