Changes

| [[File:ECN-8611.jpg|150px|center]]

| [[File:ECN-8611.jpg|150px|center]]

| OV-101<br/>[[Space Shuttle Enterprise|''Enterprise'']]

| OV-101<br/>[[Space Shuttle Enterprise|''Enterprise'']]

| Named for the fictional [[USS Enterprise (NCC-1701)|starship]] from the television show ''[[Star Trek]]'' as a result of a large write-in campaign.<ref>[http://www.nasa.gov/vision/earth/everydaylife/nasm_enterprise.html Shuttle Enterprise at Center of Museum's Space Hangar]</ref> Before, it was planned to name it ''Constitution''.  

| Named for the fictional [[USS Enterprise (NCC-1701)|starship]] from the television show ''[[Star Trek]]'' as a result of a large write-in campaign.<ref>[https://www.nasa.gov/vision/earth/everydaylife/nasm_enterprise.html Shuttle Enterprise at Center of Museum's Space Hangar]</ref> Before, it was planned to name it ''Constitution''.  

| February 15, 1977

| February 15, 1977

| October 26, 1977

| October 26, 1977

| January 28, 1986

| January 28, 1986

| Lost on ascent; crew killed

| Lost on ascent; crew killed

| Originally built for Earth-bound tests, but later converted for space flight.<ref>[http://www.nasa.gov/centers/kennedy/shuttleoperations/orbiters/challenger-info.html Space Shuttle Overview: Challenger (OV-099)]</ref>  Last flight carried [[Christa McAuliffe]], a New Hampshire high school teacher selected to be the first such individual under President [[Ronald Reagan]]'s [[Teacher in Space Project]].

| Originally built for Earth-bound tests, but later converted for space flight.<ref>[https://www.nasa.gov/centers/kennedy/shuttleoperations/orbiters/challenger-info.html Space Shuttle Overview: Challenger (OV-099)]</ref>  Last flight carried [[Christa McAuliffe]], a New Hampshire high school teacher selected to be the first such individual under President [[Ronald Reagan]]'s [[Teacher in Space Project]].

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| [[File:Sts121-s-079.jpg|150px|center]]  

| [[File:Sts121-s-079.jpg|150px|center]]