The NASA Distinguished Service Medal is the highest award that can be bestowed by the National Aeronautics and Space Administration of the United States. The medal may be presented to any member of the federal government, including both military astronauts and civilian employees.

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NASA Distinguished Service Medal
NASA Distinguished Service Medal
Type	Medal
Awarded for	"distinguished service, ability, or courage, [that] has...made a contribution representing substantial progress to aeronautical or space exploration in the interests of the United States"
Country	United States
Presented by	the National Aeronautics and Space Administration
Eligibility	Federal government employees
Status	Active
Established	July 29, 1959
First awarded	1959
NASA Distinguished Service Ribbon
Precedence
Next (higher)	Congressional Space Medal of Honor
Equivalent	Distinguished Public Service Medal
Next (lower)	Outstanding Leadership Medal

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The NASA Distinguished Service Medal is awarded to those who display distinguished service, ability, or courage, and have personally made a contribution representing substantial progress to the NASA mission. The contribution must be so extraordinary that other forms of recognition would be inadequate.

Typical presentations of the NASA Distinguished Service Medal included awards to senior NASA administrators, mission control leaders, and astronauts who have completed several successful space flights. Due to the prestige of the award, the decoration is authorized for wear on active uniforms of the United States military. Another such authorized decoration is the NASA Space Flight Medal.

Upon the recommendation of NASA, the president may award an even higher honor to astronauts, the Congressional Space Medal of Honor.

The medal was original awarded by the National Advisory Committee for Aeronautics and was inherited by NASA. The first NASA version (type I), featuring the NASA seal, was issued from 1959 until 1964, when it was replaced by the current type II medal (shown).

• List of NASA awards