Troopers never enforce it however. A broken white line on a two lane highway means it's OK to pass slow moving cars on the left if the coast is clear in-front of you. Source(s): Alignment, suspension and brake shop. In Europe, it means you may overtake, but with caution. A soild line means to not cross over.
Best Answer: There have been 6 manned Moon missions, between 1969 and 1972. I'm assuming you mean manned trips to the Moon. All of those were conducted by the US, from 1968 through 1972; 9 missions in all. Apollo 8 was the first time man visited the Moon, in December 1968 right at Christmas time. It was famous for the reading from Genesis on Christmas Day.
All of total 6 manned moon landings to date were a part of the NASA's Apollo program. Running from 1961 to 1972, the objective of the program was to gather as much data as possible from close orbits and manned landings, and of course, get to the Moon before the Soviets and take the lead in space exploration. Below is a list of all 6 manned moon landings with a brief summary of each of the missions. Apollo 11 On July 20, 1969, the lunar module of Apollo 11 became the first manned spacecraft to land safely on the Moon in the area named Mare Tranquillitatis, commonly known as the Sea of Tranquility.