<prompt> Bhala okuqhubekayo kwalesi sigaba - UCaptain Luis Germán Astete we-Peruvian Navy wathatha inqwaba yezibhamu ze-Gatling ezisuka e-United States zaya ePeru ngo-December 1879 phakathi neMpi yase-Peru-Chile yasePacific. Izibhamu ze-Gatling zazisetshenziswa yi-Navy yasePeru kanye neButho, ikakhulukazi eMpini yaseTacna  <response>: May 1880 kanye neMpi yaseSan Juan Januwari 1881 ngokumelene nebutho laseChile elalihlasela. 