GB-4
Template:Short description Template:Use American English Template:Use dmy dates Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters". GB-4 (Glide Bomb No.4) was a precision guided munition developed by the United States during World War II.[1] GB-4s used a television guidance system with the weapon being steered by a TV bombardier operating a joystick in the launch aircraft.[2]
The first GB-4s (then known as MX-607s) were tested at Eglin Air Force Base during August 1943.[3] During testing the GB-4's circular error probable accuracy was found to be Script error: No such module "convert"..[1][4] The type was ordered into production on 15 January 1944. Although approved for operational use, the typed suffered from reliability problems throughout testing.[3]
The GB-4 was briefly used in combat[1][2] by the 388th Bomber Group,[3] based in eastern England, but its performance was deemed unsatisfactory.[2] 1,200 GB-4's were delivered to the USAAF however poor combat results lead to a decision to halt further deliveries in February 1945.[3]
See also
References
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