The group opposes the Ohrid Framework Agreement which ended the 2001 insurgency in Macedonia between members of the National Liberation Army and Macedonian security forces.

[12] ANA released a communiqué in February 2000, claiming responsibility for a January 13, 2000, attack in Aračinovo that resulted in the deaths of four Macedonian police officers.

[18] After the Macedonian parliament adopted the Ohrid agreement's amendments on November 16, ANA announced the beginning of a "war for the liberation of all Albanian territories in former Yugoslavia.

"[26] After former NLA leader Ali Ahmeti entered mainstream politics in 2002, ANA accused him of betraying Albanian national interests.

[14] Both Institute for War and Peace Reporting (IWPR) and NATO spokesman Mark Laity said the group has no public support.

[30] In September 7, 2003, members of ANA clashed with Macedonian security forces on the border with Kosovo, which resulted in the death of two ethnic Albanian gunmen and one civilian.

[35][36] In 2007, a video was aired by Kosovar television stations depicting a band of medium-armed, masked individuals intercepting cars.

[38][39] On November 13, 2007, a video was aired to the public,[40][41] an exclusive interview with a leader of the ANA, nicknamed "Commander Preka", patrolling in the covert areas of North Kosovo, recruiting 20 new men.

[42][43] The leader stated that ANA stands at 12,000 men altogether and has called the Kosovar population for a boycott of upcoming parliamentary elections.

"[16][44] In 2016 Albanian militiamen presenting themselves as the "21st Brigade" published a video showing their weapons and threatening to move through northern Albania and the Preševo Valley.