From late 1943, P-51Bs and Cs (supplemented by P-51Ds from mid-1944) were used by the USAAF's Eighth Air Force to escort bombers in raids over Germany, while the RAF's Second Tactical Air Force and the USAAF's Ninth Air Force used the Merlin-powered Mustangs as fighter-bombers, roles in which the Mustang helped ensure Allied air superiority in 1944. The P-51 was also used by Allied air forces in the North African, Mediterranean, Italian and Pacific theaters. During World War II, Mustang pilots claimed to have destroyed 4,950 enemy aircraft.

was the p-51 used in the pacific?

A: yes

Running is a method of terrestrial locomotion allowing humans and other animals to move rapidly on foot. Running is a type of gait characterized by an aerial phase in which all feet are above the ground (though there are exceptions). This is in contrast to walking, where one foot is always in contact with the ground, the legs are kept mostly straight and the center of gravity vaults over the stance leg or legs in an inverted pendulum fashion. A characteristic feature of a running body from the viewpoint of spring-mass mechanics is that changes in kinetic and potential energy within a stride occur simultaneously, with energy storage accomplished by springy tendons and passive muscle elasticity. The term running can refer to any of a variety of speeds ranging from jogging to sprinting.

do both feet leave the ground when running?

A: yes

In organic chemistry, an alkene is an unsaturated hydrocarbon that contains at least one carbon--carbon double bond. The words alkene and olefin are often used interchangeably (see nomenclature section below). Acyclic alkenes, with only one double bond and no other functional groups, known as mono-enes, form a homologous series of hydrocarbons with the general formula CH. Alkenes have two hydrogen atoms fewer than the corresponding alkane (with the same number of carbon atoms). The simplest alkene, ethylene (CH), with the International Union of Pure and Applied Chemistry (IUPAC) name ethene, is the organic compound produced on the largest scale industrially. Aromatic compounds are often drawn as cyclic alkenes, but their structure and properties are different and they are not considered to be alkenes.

can alkenes have more than one double bond?

A: yes

Once Upon a Time in Mexico (also known as Desperado 2) is a 2003 American contemporary western action film written, directed, produced, photographed, scored, and edited by Robert Rodriguez. It is the third and final film in Rodriguez's Mexico Trilogy, and is a sequel to El Mariachi and Desperado. The film features Antonio Banderas in his second and final performance as El Mariachi. In the film, El Mariachi is recruited by CIA agent Sheldon Sands (Johnny Depp) to kill Armando Barillo (Willem Dafoe), a Mexican drug lord who is planning a coup d'etat against the President of Mexico. At the same time, El Mariachi seeks revenge against a corrupt general responsible for the death of his wife, Carolina (Salma Hayek).

is once upon a time in mexico the sequel to desperado?

A:
yes