sentences:  On 14 July 1975, gunmen abducted two Americans and four Ethiopians from Kagnew Communications Station.The Americans, Steve Campbell and Jim Harrel, worked for Collins International Service Company (CISCO), a government contractor.On Friday 12 September 1975, the Eritrean Liberation Front, ELF, raided the US facility at Asmara, kidnapping a further eight people, including two Americans.