Bullets can be matched back to a gun using comparative ballistics. Ammunition and weapons are taken for matching to wounds and ballistics. ACP loaded back to its original ballistics. It is impossible to have things like projectile ballistics or projectile motion in hitscan games. Inert training variants are also available which match the ballistics of the live ammunition. Sectional density is used in gun ballistics. Evidence quickly mounted against the pair, including eyewitness testimony, ballistics, and fingerprints. Colt enjoyed a well-earned reputation for effective terminal ballistics, accuracy, and reliability. Galileo and other scientists pioneered the study of optics, ballistics, astronomy, anatomy, and so on. It has been used in many fields of research, including astrophysics, ballistics, volcanology, and oceanography. The system has better ergonomics, an improved rocket, and better ballistics and terminal effects. Women also worked on ballistics calculations and cryptography. The ACR program was abandoned due to reliability problems and poor terminal ballistics. Other motions focused on the jury foreman and a prosecution ballistics expert. Americans also used electronic computers for equations, such as battlefield equations, ballistics, and more.