Sacharia joined People's Liberation Army of Namibia under SWAPO in exile in 1975 as a 19 year old teenager and served in various Capacities and returned to Namibia in 1991.

Sacharia's career in the Namibian Defence Force started in 1991 when he and the last PLAN Combatant group arrived in Namibia.

This group consisting of officers such as Peter Vilho, Sinsy Nghipandua graduated in 1998 from the Admiral Wandenkolk Naval Officers Formative School.

Being commander of that group he was then Appointed as the first Commander of the Namibian Defence Force Maritime Wing in 1998 at this occasion he was promoted to the rank of Naval Captain, he held this position until his death in 2002.

[1] In 2012 the new Naval Base North of Walvis Bay was named in his honour .