Complex sentence: Several other missions were launched until October which resulted in some damage but resulted in further losses, in an attempt to transition to the SM.82s that were only a temporary expedient (as was the P.108, expecting more from the future P.133).
Split into simpler sentences: Several other missions were launched until October which resulted in some damage and further losses. An attempt to change to SM.82s was an expedient (as was the P.108, expecting more from the future P.133).