Rumours circulate that the F16 attack aircraft and Cobra attack helicopters of the Pakistani Air Force are being flown by seconded serving US Air Force pilots. Evidently the USAF denied this, then partly withdrew that denial. It brings up recall of the Laos covert "Air America" airforce immortalised in the film of that name, and its slightly less dramatic but very real world CIA counterpart also "Air America" - in the Vietnam war ...