This is a likeable and passable comedy , though mediocre , dealing with three young friends midshipmen who do their final year at the Naval School of Marine Escuela Naval Militar de Marín, Vigo , Pontevedra, Galicia .This is an amusing comedy with some dramatic elements at the end . Concerning military life of Naval Academy in Morin in which three navy men (Manuel Gil , Vicente Haro, Ramón Arcusa) known as Botón de Ancla (Anchor Button) get into sentimental troubles which will endanger their friendship and their graduation at the naval academy. Along the way , the peculiar trio make jokes among new recruits, but relunctly to leave his practice maritime mission to work as boot camp drill instructors , and with other officers carry out military maneuvers.A diverting youthful comedy glorifying the Naval Academy, regarding new soldiers who enlist in the Navy and the officers who train them. Stars a fun trio known among their colleagues as "button anchor" and all of them are caught in a mess of skirts that maybe will jeopardize their friendship , while the Caballeros Guardamarinas train to recent recruits. They are well assisted by a good plethora of familiar secondaries of popular actors . It delivers silly situations as the usual pranks in the rookie soldiers . It packs an entertaining, fun and bemusing screenplay and story from Ramón Torrado , H. S. Valdés and José Luis de Azcárraga . Here stands out the songs sung by the popular, incombustible Duo Dinamico : Manuel de la Calva and Ramon Arcusa, performing unforgettable ballads . Highlights of the movie are the sucessive jokes who veterans execute against the newcomers, along with the spectacular military parades and the real sea maneuvers full of warships and landings on the beach. Stars the three sympathetic Guardamarinas : Manuel Gil , Ramon Arcusa, Vicente Haro . They are well accompanied by a fine secondary cast as the great Miguel Gila providing the ordinary hilarious touches , Manuel Gas , José María Caffarel , Luis Induni , all of them deliver nice interpretations.There are various versions about this story : ¨Boton de Ancla¨ 1948 by Ramon Torrado with Antonio Casal , Jorge Mistral , Isabel de Pomés , Fernando Fernán Gómez , Fernando Fernández de Córdoba . Los ¨Caballeros del Boton de Ancla¨ 1974 by Ramon Torrado with Peter Lee Lawrence , Maribel Martín , Alfredo Mayo , Ramón Pons , Pepe Ruiz , Rafael Hernández , Ángel Álvarez . And ¨Los Guardamarinas¨1967 with Alberto de Mendoza, Alfredo Landa, Jose Luis Lopez Vazquez, Pepe Rubio, Manuel Zarzo, Emilio Gutierrez Caba , Paloma Valdes, Andres Mejuto, Jose Marco Davo, Andres Mejuto, Jose Marco Davo, Manuel Manzaneque, Jesus Guzman, Luis Varela, Jose Sepulveda, Francisco Camoiras.It contains a colorful cinematography by Ricardo Albiñana in Eastmancolor shot on location in Vigo, Marin, Pontevedra, Galicia. As well as atmospheric and evocative musical score by Enrique Escobar. Financed in medium budget by Ignacio F Iquino/IFI production, including importand support from Naval Academy of Marin . The motion picture was professionally directed by craftsman Miguel Lluch. Thie latter was an artisan who made all kinds of genres : Adventure , Comedy , Thriller , Drama , such as : El halcón del desierto , La chica del autostop , Crimen , El precio de un asesino , Los claveles , Fra Diávolo , Las estrellas , Sitiados en la ciudad , La montaña sin ley, Taxi , Un demonio con ángel, among others .