According to the Book of Mormon

Book of Mormon

The Book of Mormon is a sacred text of the Latter Day Saint movement that adherents believe contains writings of ancient prophets who lived on the American continent from approximately 2600 BC to AD 421. It was first published in March 1830 by Joseph Smith, Jr...

, Aha was a Nephite

Nephite

According to the Book of Mormon, a Nephite is a member of one of the four main groups of settlers of the ancient Americas. The other three groups are the Lamanites, Jaredites and Mulekites. In the Book of Mormon, the Nephites were a group of people descended from or associated with Nephi, the...

 soldier

Soldier

A soldier is a member of the land component of national armed forces; whereas a soldier hired for service in a foreign army would be termed a mercenary...

 who lived in the 1st century BC in the Americas

Americas

The Americas, or America , are lands in the Western hemisphere, also known as the New World. In English, the plural form the Americas is often used to refer to the landmasses of North America and South America with their associated islands and regions, while the singular form America is primarily...

. His father was Zoram

Zoram

There are three individuals named Zoram in the Book of Mormon, indexed in the LDS edition as Zoram1, Zoram², and Zoram³.- Zoram¹ :Zoram1 was the servant of Laban, a wealthy inhabitant of Jerusalem. According to First Nephi, Zoram led Nephi, disguised as Laban, into Laban's treasury...

, a "chief captain" of the Nephite armies. Sometime between 81 BC. and 78 BC, Aha accompanied his father and his brother to battle against the Lamanite

Lamanite

According to the Book of Mormon, a Lamanite is a member of a dark-skinned nation of indigenous Americans that battled with the light-skinned Nephite nation...

s in order to rescue prisoners of war that were captured during the destruction of the city of Ammonihah

Ammonihah

Ammonihah is a city mentioned in the Book of Mormon. According to the book, the city was founded by an otherwise unknown man named Ammonihah. The inhabitants of Ammonihah were followers of the religion of Nehor.Ammonihah was a city with a diverse population...

. Under inspired direction by the prophet Alma

Alma the Younger

According to the Book of Mormon, Alma, the son of Alma was a Nephite prophet often referred to as "Alma the Younger" to distinguish him from his father, who is often referred to as "Alma the Elder"...

, their army met the Lamanite army after crossing the river Sidon, and defeated them. All of the prisoners were rescued, with the narrative stating that "there was not one soul of them had been lost that were taken captive".