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 management costs; construction expenses for facilities and their upgrading, and costs for flight operations. This was based on a Congressional Budget Office report, "A Budgetary Analysis of NASA's New Vision for Space", September 2004. "The Space Review" estimated in 2010 the cost of Apollo from 1959 to 1973 as $20.4 billion, or $109 billion in 2010 dollars. ($ in dollars) Looking beyond the manned lunar landings, NASA investigated several post-lunar applications for Apollo hardware. The Apollo Extension Series ("Apollo X",) proposed up to 30 flights to Earth orbit, using the space in the Spacecraft Lunar Module Adapter (SLA) to house