[1] McDonnell Douglas Aerospace (Inc.) - u.a. Konstruktionsfirma des Delta Clipper (DC-X)

[2] Minimum Descent Altitute (->"IEEE Standard Dictionary")

[3] MultiDimensional Analysis (->"IEEE Standard Dictionary")

[4] Multiple Docking Adapter

[5] Monochrome Display Adapter

[6] Main Distribution Assembly (->"NASA Acronym List")

[7] Motor Drive Assembly (->"NASA Acronym List")

[8] Maintainablility Design Approach (->"NASA Acronym List")