G2g

Gtg, GTG, gtg, or G2G may refer to: Grantsburg Municipal Airport (IATA code) Gauge theory gravity, a theory of gravitation Geophysical Tomography Group, of the Institut de Physique du Globe de Paris G2G Racing, an American stock car racing team GTG, a codon in the DNA codon table for the amino acid valine G2G, government to government, in e-governance