The H2X on later B-24 Liberators also replaced the ball turret, the operators panel being installed on the flight deck behind the co-pilot (where the radio operator's normal position was).
The H2X on later B-24 Liberators also replaced the ball turret, being made retractable as the ball turret was for landing on the Liberator. The operators panel was installed on the flight deck behind the co-pilot (where the radio operator's normal position was).