3 ms·Couple dozen Ranger and Surveyor probe craters to get the landing technology right.by m4rtink 4y agoCouple dozen Ranger and Surveyor probe craters to get the landing technology right.nanumbat 4y agoYes on Ranger, however the first Surveyor completed a soft landing and returned image data.m4rtink 4y agoYep - and Rangers were designed as a crash probe that took pictures for as long as possible. Still IIRC some Surveyors did crash later on.