Canceled Apollo missions wasn't going to have a flight for him". Another lunar landing was lost in April 1970 when Apollo 13 had its in-flight failure, and the Fra Mauro landing site was reassigned to Apollo 14. Then on September 2, 1970, NASA announced it was canceling the H4 and J4 missions, due to more budget cuts. Skylab was also pushed out to 1973, and the final landing schedule became: At the time, 35 of NASA's 49 active astronauts were waiting for a chance for a mission. In the closing days of the program, Apollo 17 LMP Harrison Schmitt aggressively lobbied for a
Apollo program only one of these plans to make it off the drawing board. Dubbed Skylab, it was constructed complete on the ground rather than in space, and launched in 1973 using the two lower stages of a Saturn V. It was equipped with an Apollo Telescope Mount. Skylab's last crew departed the station on February 8, 1974, and the station itself reentered the atmosphere in 1979. The Apollo-Soyuz Test Project also used Apollo hardware for the first joint nation space flight, paving the way for future cooperation with other nations in the Space Shuttle and International Space Station programs. In September