* APL, United States Navy hull classification symbol for barracks craft

The fast combat support ship ( US Navy hull classification symbol: AOE ) is the United States Navy's largest combat logistics ship, designed as an oiler, ammunition and supply ship.

In the new system, all hull classification symbols are at least two letters ; for basic types the symbol is the first letter of the type name, doubled, except for aircraft carriers.

If a ship's hull classification symbol begins with " W ", it is a ship of the United States Coast Guard.

If a ship's hull classification symbol begins with " T -", it is part of the Military Sealift Command, has a primarily civilian crew, and is a United States Naval Ship ( USNS ) in non-commissioned service — as opposed to a commissioned United States Ship ( USS ).

The National Oceanic and Atmospheric Administration ( NOAA ), a component of the United States Department of Commerce, also uses a hull classification symbol system, which it also calls " hull numbers ," for its fleet.

* Patrol, Coastal, a US Navy hull classification symbol

* CVS, the US Navy hull classification symbol for anti-submarine warfare carrier

* ATF, the United States Navy hull classification symbol for a fleet ocean tug

Cirrus clouds ( cloud classification symbol: Ci ) are a genus of atmospheric clouds generally characterized by thin, wispy strands, giving them their name from the Latin word cirrus meaning a ringlet or curling lock of hair.

See also Hull classification symbol

" PT " is the US hull classification symbol for " Patrol Torpedo ".

* LHA ( for " Landing Helicopter Assault "), US Navy hull classification symbol for general purpose amphibious assault ships of the Tarawa class

* AO, a U. S. Navy hull classification symbol for an oiler

* Missile Range Instrumentation Ship ( US Navy hull classification symbol ), a special type of ships for launching and tracking missiles and rockets

* CVA, a United States Navy hull classification symbol for attack aircraft carriers ( CV being the symbol for " aircraft carrier ," and A for " attack "); e. g., USS United States ( CVA-58 )

* AS, the hull classification symbol for submarine tenders

* Amphibious cargo ship, from its United States Navy hull classification symbol prior to 1969

* APS, US Navy Hull classification symbol for a transport submarine

* SSN ( hull classification symbol ), the United States Navy's hull classification symbol for a fast attack submarine, one that is propelled by nuclear energy

SSBN is the US Navy hull classification symbol for a nuclear-powered, ballistic missile-carrying submarine.

For ships of this hull classification in the Royal Navy LPH is a direct acronym for " Landing Platform Helicopter " while the United States Navy referred to its vessels within this classification as " Amphibious Assault Ships.

No ships of this classification are currently in active service with the United States Navy having been replaced with multi-purpose ships classified under NATO naming conventions as Landing Helicopter Dock or Landing Helicopter Assault ships.

Landing Helicopter Dock ( LHD ), is the U. S. Navy hull classification symbol for multipurpose amphibious assault ships which are capable of operating helicopters and have a well deck.

LHA, for Landing Helicopter Assault, is the US Navy hull classification symbol for the general purpose helicopter-carrying amphibious assault ships of the Tarawa and the future America classes.

* The United States Navy hull classification symbol for " Auxiliary Aircraft Ferry ( Escort carrier )"

Aircraft other than aeroplanes also fall under the general classification of ultra-light, in particular powered parachutes and powered paragliders.

But, particularly in the United States and Canada, the racial or ethnic classification also refers to people with all possible kinds of skin pigmentation from the darkest through to the very lightest skin colors, including albinos, if they are believed by others to have African ancestry, or to exhibit cultural traits associated with being " African-American ".

Psychiatrists using the classification system of the DSM-IV would consider this a symptom of the paraphilia called coprophilia " if the behavior, sexual urges, or fantasies cause clinically significant distress or impairment in social, occupational, or other important areas of functioning ".

Books are catalogued in ascending numerical order ; when two or more books have the same classification number, the system sub-divides the class alphabetically, by the use of a call number ( usually the first letter, or letters, of the author's last name, or the title if there is no identifiable author.

A supervised learning algorithm analyzes the training data and produces an inferred function, which is called a classifier ( if the output is discrete, see classification ) or a regression function ( if the output is continuous, see regression ).

* The criteria for classification may be arbitrary if they ignore gradual variation in traits.

All the foregoing rules and aids and difficulties in classification are explained, if I do not greatly deceive myself, on the view that the natural system is founded on descent with modification ; that the characters which naturalists consider as showing true affinity between any two or more species, are those which have been inherited from a common parent, and, in so far, all true classification is genealogical ; that community of descent is the hidden bond which naturalists have been unconsciously seeking, ...

The " stovepipe " classification is also used for this type of tornado, if it otherwise fits that profile.

Above the rank of genus, binomial nomenclature and classification are partly independent ; for example, a species retains its binomial name if it is moved from one family to another or from one order to another.

The argument of ISPs against common carrier classification has largely conflated " telecommunications carriers " with " common carriers ," assuming that if they were labeled as " common carriers ," they would be regulated under Title II of the Communications Act by the FCC.

In the taxonomical structure " genus → species ", a species is described as sui generis if its genus was created to classify it ( i. e. its exceptional uniqueness at the time of classification necessitated the creation of a new genus, the sole member of which was initially the sui generis species ).

However, because of the existence of many wealthy Hutu who shared the financial ( if not physical ) stature of the Tutsi, the Belgians used an expedient method of classification based on the number of cattle a person owned.

Sometimes terms which refer to branches of soil science, such as pedology ( formation, chemistry, morphology and classification of soil ) and edaphology ( influence of soil on organisms, especially plants ), are used as if synonymous with soil science.

Another complication in its classification is that it is older than the human – chimpanzee divergence ( estimated to ) seen in genetic data, and that there are few if any specimens other than the partial cranium known as Toumaï.

Limax maximus was established first, so if Wiktor's 2001 classification is accepted, Limax maximus takes precedence over Limax maculatus and has to be used for the species.

Present-day ethnomusicologists, such as Margaret Kartomi ( page 173 ), and Terry Ellingson ( PhD dissertation, 1979, p. 544 ) suggest that, in keeping with the spirit of the original Hornbostel Sachs classification scheme, if one categorizes instruments by what first produces the initial sound in the instrument, that only subcategory 53 should remain in the electrophones category.

The first stage in any classification is likely to be defining whether the incident qualifies as an emergency, and consequently if it warrants an emergency response.

A military commander relies on information about locations along his determined route: which those that would provide best cover and concealment ; bridge by construction type, dimensions, and classification ; or for landing zones or pickup zones, if the need arises.

" In the United Kingdom, the Official Chart Company defines a boundary between EP and album classification at 25 minutes of length or four tracks ( not counting alternative versions of featured songs, if present ).

Using an alternative scheme of classification, linguist Michael E. Krauss defines languages as " safe " if it is considered that children will probably be speaking them in 100 years ; " endangered " if children will probably not be speaking them in 100 years ( approximately 60-80 % of languages fall into this category ); and " moribund " if children are not speaking them now.

In May 2008, it was allowed for sale in New Zealand if sealed and an indication of the censorship classification was displayed.

These social and status desires require interaction with others if they are to be satisfied, and they align with Maslow's social need and the external component of Maslow's esteem classification.