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The components of the model use the Earth System Modeling Framework (ESMF), enabling them to be connected in a flexible manner and supporting the investigation of many different aspects of Earth science, in particular questions related to coupled processes involving the atmosphere, ocean, and/or land. Uses of GEOS span a range of spatiotemporal ...
The C-Band Radar Transponder (Model SST-135C) is intended to increase the range and accuracy of the radar ground stations equipped with AN/FPS-16, and AN/FPQ-6 Radar Systems. C-band radar stations at the Kennedy Space Center, along the Atlantic Missile Range, and at many other locations around the world, provide global tracking capabilities.
Personnel-based system evaluation aid (PER-SEVAL), which was used to assess crew performance in terms of time and accuracy; System performance and RAM criteria estimation aid (SPARC), which helped Army combat developers identify comprehensive and unambiguous system performance requirements needed to accomplish various missions
The composite gear housing does not remove heat as efficiently as an aluminum or magnesium housing. Composite gear housings require more expensive and reliable cooling systems. However, composite plastic material is widely used on low-power applications such as gear motors for electromechanical actuators. Lightly loaded rotary gear actuators ...
SPICE (Spacecraft Planet Instrument C-matrix Events) is a NASA ancillary information system used to compute geometric information used in planning and analyzing science observations obtained from robotic spacecraft. It is also used in planning missions and conducting numerous engineering functions needed to carry out those missions.
The M577 command post carrier, also known as the M577 command post vehicle or armored command post vehicle, is a variant of the M113 armored personnel carrier that was developed and produced by the FMC Corporation to function on the battlefield as a mobile command post i.e. a tactical operations centre, usually at the battalion level.
The Head Gear System (HGS) is a future headgear ensemble under development by the U.S. Army. HGS attempts to integrate head protection against ballistics, fragmentation, blast, blunt force, flash heat, and noise into a single lightweight, modular, scalable headgear system.
Epicyclic gearing or planetary gearing is a gear system consisting of one or more outer, or planet, gears or pinions, revolving about a central sun gear or sun wheel. [4] [5] Typically, the planet gears are mounted on a movable arm or carrier, which itself may rotate relative to the sun gear.