CM NASA Abbreviation

Communications Module

Configuration Management

Management of security features and assurances through control of changes made to hardware, software, firmware, documentation, test, test fixtures, and test documentation throughout the life cycle of an information system.

Control Monitor

Centimeter

The centimeter abbreviation, cm is a unit of displacement or length in the cgs centimeter/gram/second system of units. One centimeter is the distance traveled by a ray of electromagnetic EM energy through a vacuum in 3.33564095 x 10-11 of a second. It is equivalent to 0.01 meter. There are about 2.54 centimeters in one linear inch.

Communications

The exchange of information between the signal person and crane operator(s). This exchange may be verbal or non-verbal.  Or The vast discipline encompassing the methods, mechanisms, and media involved in informa-tion transfer. In computer-related areas, communications involves data transfer from one computer to another through a communications medium, such as a telephone, microwave relay, satellite link, or physical cable.

Current Month

Common Mode

Noise, caused by a difference in "ground potential." By grounding at either end rather then both ends (usually grounded at source) one can reduce this interference.

Crew Module

Cargo Management