 Ad-hoc units were also formed within the RDU to address specific localized situations.These include the Anti-Shifta Unit, formed in 1980 and based at Garissa District, the Anti-Bandit Unit, formed in 1986 and based in Tana River and Lamu districts, and the Rapid Anti-Bandit Unit, formed in 1997, and based at AP Training College.Due to the short term nature of these operations, they were often unsustainable and had limited success.