I've heard that just before Operation Desert Storm began in 1991 the reduced accuracy that affected civil GPS was temporarily turned off. This was a result of n

I've heard that just before Operation Desert Storm began in 1991 the reduced accuracy that affected civil GPS was temporarily turned off. This was a result of not being able to procure enough military grade GPS devices for army vehicles etc. If this is true it may also have had an effect on the decision to completely turn it off.