On February 1, 2010, U.S. President Barack Obama announced a proposal to cancel the Constellation program (except the Orion spacecraft), to be replaced with a re-scoped program, effective with the U.S. 2011 fiscal year budget.
Pada tanggal 1 Februari 2010, Presiden AS Barack Obama mengumumkan proposal untuk membatalkan program Constellation (kecuali pesawat ruang angkasa Orion), diganti dengan program re-scoped, efektif dengan anggaran tahun fiskal US 2011.