Baltic Air Surveillance Network
Baltic Air Surveillance Network ( BALTNET ) is an air defense radar network operated by the Baltic States of Latvia , Lithuania and Estonia . 
<triplet> Baltic States <subj> Latvia <obj> has part <subj> Lithuania <obj> has part <triplet> Latvia <subj> Baltic States <obj> part of <triplet> Lithuania <subj> Baltic States <obj> part of <triplet> Estonia <subj> Baltic States <obj> part of