Sustain In sound and music, an envelope describes how a sound changes over time. It may relate to elements such as amplitude (volume), frequencies (with the use of filters) or pitch. For example, a piano key, when struck and held, creates a near-immedi ...

is a parameter of musical sound in time. Sustain may also refer to: * ''Sustain'' (album), a 2007 album by ska punk band Buck-O-Nine * ''Sustain'' (composition) a 2018 orchestral composition by American composer Andrew Norman *

Sustained (law) In the law of the United States of America, an objection is a formal protest raised in court during a trial to disallow a witness's testimony or other evidence in violation of the rules of evidence or other procedural law. An objection is typica ...

, a ruling to disallow the question, testimony, or evidence, issued by a judge in the law of the United States of America *

SUSTAIN (military) Small Unit Space Transport and INsertion or SUSTAIN is a concept first proposed in 2002 by the United States Air Force and United States Marine Corps to deploy Marines via spaceflight to any location on Earth. Project Hot Eagle, launched by the ...

, a concept in airborne warfare *

Sustainment (military) Sustain is a parameter of musical sound in time. Sustain may also refer to: * ''Sustain'' (album), a 2007 album by ska punk band Buck-O-Nine * ''Sustain'' (composition) a 2018 orchestral composition by American composer Andrew Norman * Sustain ...

, an aspect of logistics ** Sustainment (United States military) ***

Principles of sustainment Principles of sustainment or principles of logistics are a set of military principles from the United States Army doctrine. They are essential to maintaining combat power, enabling strategic and operational reach, and providing US Army forces with ...

, US Army doctrine ***

Sustainment Brigade As part of the early 21st century transformation of the United States Army from a division-based structure to a brigade-based army; the division support commands, corps support groups, and area support groups were inactivated and transformed to su ...

, a type of US Army unit * USS ''Sustain'' (AM-119), an ''Auk''-class minesweeper

See also