Argentine Antarctica observatory, where he also worked a post office was installed. Civil (employee of the Argentine company official post and telegraph) Hugo Alberto Acuna accounted hoist for the first time in an official way the flag of Argentina on the Argentine Antarctic sector, on 22 February 1904. Such an observatory became the Orcadas Base the oldest existing today across the Antarctic territory permanent human settlement. The Argentine corvette ARA Uruguay returned to Antarctica in 1905 (sailed from the port of Buenos Aires on 10 December 1904) to relieve staffing of the South Orkney and refer to Deception Island and Wiencke Island
Permanent residency However, in Singapore, most first generation permanent residents are exempted, and only their sons are held liable for NS. In a similar approach, the United States has Selective Service, a compulsory "registration" for military service, which is required of all male citizens and permanent residents ages 18 to 26; this requirement theoretically applies even to those residing in the country illegally. Applications for citizenship may be denied or otherwise impeded if the applicant cannot prove having complied with this requirement. Permanent residents may be required to reside in the country offering them residence for a given minimum length of time