Apollo 11 Summary . ... The Lunar First Landing . ... One Small Step . ... As they crossed over the Sea of Tranquillity for the first time, Armstrong remarked that "the pictures and maps brought back by Apollo 8 and 10 have given us a very good preview of what to look at here. ... On the Apollos 12 and 14, the ALSEP deployment typically took most of the first four-hour EVA and, as the first crew to do a lunar EVA, it seems unlikely that Armstrong and Aldrin would have been allow to stay out that long. ...