sentences:  Firstly, trials were observed of a similar naval defensive flamethrower project involving a long mast-mounted pipe, which suffered similar setbacks to the British weapon — a number of trials ended with the attending officers and all others on the shore nearby being coated with oil.Secondly, partly as a result of the Lagonda flamethrower and partly due to other deterrent weapons such as the Parachute and Cable (PAC) system and the Holman Projector, the average height of German bombers attacking merchant ships increased to well above 200 ft, the altitude at which bombs had been successfully hitting on roughly 50% of the drops.The Bedford Cockatrice was ordered for the defence of the coastal bases of the Fleet Air Arm in the event of glider- or parachute-dropped invasion troops.