performed in various simulations on the ground. the engine did not leave a crater of any size. it has about one-foot clearance on the ground. i can see some evidence of rays emanating from the descent engine but very insignificant amount. >> roger, neil. we're reading you loud and clear. see you getting some pictures and the contingency sample. >> interesting, it's a very soft surface but here and there where i plug with the contingency sample collector i run into very hard surface, but it appears to be a very cohesive material of the same sort.