Original sentence: The model was built in two versions; as an interceptor fighter armed with AIM-7 Sparrow missiles (the M61 Vulcan being removed); and as a fighter bomber, with the gun retained and bombs and other air-to-surface ordnance
Edited sentence: The model was built in two versions; as an interceptor fighter (CI) armed with AIM-7 Sparrow missiles (the M61 Vulcan being removed); and as a fighter bomber (CB), with the gun retained and bombs and other air-to-surface ordnance.The radar range was still low (27 km was quite normal for a fighter-sized target)