Question: Ngeno Nakamhela called for an end to the Namibia Defence Force's involvement in a war that began in which year ?

Context paragraphs:
Defence Force Ground: Defence Force Ground is a cricket ground in Windhoek, Namibia.  The first recorded match on the ground was in 1988 when the South African Defence Force played Boland in a first-class match.  At the time Namibia was known as South West Africa and was occupied by South Africa, only gaining independence in 1990.  The last recorded match played on the ground came in 2001 when the Namibia national cricket team played the Marylebone Cricket Club.

President of Namibia: The President of the Republic of Namibia is the head of state and the head of government of Namibia, as well as the commander-in-chief of the Namibia Defence Force, according to the Constitution of Namibia.

Erkki Nghimtina: Colonel(retired) Erkki Nghimtina (born 16 September 1948) is a Namibian politician and former military officer in the Namibia Defence Force(NDF).  A member of the South West Africa People's Organization (SWAPO), Nghimtina has been a member of the National Assembly of Namibia since 1995 and the Minister of Mines and Energy since 20 March 2005.  As of 2013 he is the Minister of Works and Transport.

Second Congo War: The Second Congo War (also known as the Great War of Africa or the Great African War, and sometimes referred to as the African World War or even World War Three) began in August 1998 in the Democratic Republic of the Congo, little more than a year after the First Congo War, and involved some of the same issues.  The war officially ended in July 2003, when the Transitional Government of the Democratic Republic of the Congo took power.  Although a peace agreement was signed in 2002, violence continued in many regions of the country, especially in the east.  Hostilities have continued since the ongoing Lord's Resistance Army insurgency, and the Kivu and Ituri conflicts.

Mohammad Anwar Mohammad Nor: Admiral Tan Sri Dato' Sri Mohd Anwar bin Haji Mohd Nor, is the Chief of Defence Force, Malaysia.  He is the first Chief of Defence Force to be appointed from the Royal Malaysian Navy.  For over five decades previously, the Chief of the Defence Force had traditionally been a 4-star General from the Royal Malaysian Army.  Anwar broke the tradition by being appointed the first Navy Admiral to be promoted to Chief of Defence Force.

Martin Shalli: Lieutenant General Martin Shalli is a former Namibian diplomat and military commander.  In 2005, he was appointed as Namibia's High Commissioner to Zambia by President Sam Nujoma, but he was recalled in October 2006 by Nujoma's successor, Hifikepunye Pohamba, and appointed as Chief of the Namibia Defence Force (NDF).  He replaced controversial NDF commander Solomon Huwala, and he was replaced as High Commissioner to Zambia by regional councillor Solomon Witbooi.

Ngeno Nakamhela: Ngeno Nakamhela (born 24 April 1945 in Omondudu, Ohangwena Region) is a Namibian priest in the Evangelical Lutheran Church in Namibia.  From 1992-1999, he played a prominent role in Namibian politics as General Secretary of the Council of Churches in Namibia.  As head of the CCN, the Lutheran leader called for an end to the Namibia Defence Force's involvement in the Second Congo War.  He was also active in campaign's for an end to domestic violence and promoting the rights of older people.  In 2001, he became the pastor of an inner city congregation in Windhoek.

Defence Force Service Medal: The Defence Force Service Medal (DFSM) is an Australian Military award given for long service by permanent members of the Australian Defence Force.  It is part of the suite of defence force service awards introduced in 1982, which also included the Reserve Force Decoration (RFD, for officers of the Australian Defence Force Reserves) and the Reserve Force Medal (RFM, for non-commissioned members of the Reserve forces).  All three medals were replaced in 2002 with a single medal, the Defence Long Service Medal, which is now awarded to all permanent and reserve members irrespective of rank.

Jesaya Elago Kambonde: Brigadier General (retired) Jesaya Elago Kambonde (born 22 April 1955) is a Namibian former military commander.  He was Chief of Staff responsible for finance in the Namibia Defence Force (NDF) from 2006 to 2011.

Dimo Hamaambo: Mweukefina Kulaumone Jerobeam Dimo Hamaambo (27 October, 1932 – 8 September, 2002) was a Namibian military commander in both the Namibian War of Independence as a SWAPO member and in independent Namibia as the Chief of Defence in the Namibia Defence Force.  He became the second commander of the People's Liberation Army of Namibia (PLAN) in 1967 after the death of Tobias Hainyeko and held the position until independence was gained in 1990.

Supporting paragraphs: Ngeno Nakamhela Second Congo War
Answer: 1998