Complex sentence: In this manner the "All-ways" fuze was armed in flight and the grenade exploded on impact; and like the Gammon grenade, which used the same fuze design, it was withdrawn from service soon after the Second World War ended.
Split into simpler sentences: In this manner the "All-ways" fuze was armed in flight and the grenade exploded on impact. Like the Gammon grenade (which used the same fuze design), it was withdrawn from service soon after the Second World War ended.