 ERS-21 · ERS-28 | Kosmos 244 | Kosmos 245 | ESRO-1A | Molniya-1 No.14 | OPS 0964 | Kosmos 246 | Kosmos 247 | Apollo 7 | Kosmos 248 | Kosmos 249 | OPS 4078 | Soyuz 2 | Soyuz 3 | Kosmos 250 | Kosmos 251 | Kosmos 252 | OPS 1315 | OPS 5296 | Pioneer 9 · ERS-31 | Zond 6 | Kosmos 253 | Proton 4 | Kosmos 254 | Kosmos 255 | STV-1 | Kosmos 256 | Kosmos 257 | OPS 6518 | HEOS-1 | OAO-2 | Kosmos 258 | OPS 4740 · OPS 7684 | Kosmos 259 | ESSA-8 | Kosmos 260 | Intelsat III F-2 | Kosmos 261 | Apollo 8 | Kosmos 262Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.vteNASAPolicy and historyHistoryNACA (1915)National Aeronautics and Space Act (1958)Space Task Group (1958)Paine (1986)Rogers (1986)Ride (1987)Space Exploration Initiative (1989)Augustine (1990)U.S. National Space Policy (1996)CFUSAI (2002)CAIB (2003)Vision 