Illustrious Landing -- Landing that spells success 1 or a new aircraft is this one about to be executed by lieutenant-Commander G. R. Callingham, R.N., in the new Fairey 17 antisubmarine aircraft aboard H.M.S. Illustrious. This is the first carrier landing of the Fairey 17-first prop-jet aircraft to be 'seaborne'. Power unit of the airplane is the Armstrong-Siddeley 'Double Mamba' - twin turbines driving co-axial contra-rotating propellers. Both are spinning in this picture, but one may be cut o