( CNN ) -- Russian troops advanced out of two breakaway Georgian regions on Monday as the outnumbered and underequipped troops from the former Soviet republic retreated to defend the capital of Tbilisi . Georgian soldiers on a tank watch a Russian attack on a convoy outside Gori on Monday . If Russia brings its full military might to bear on its former satellite state , the Georgian military could find itself overcome quickly . Jane 's Information Group , the British-based defense publications and military intelligence company , shows the Georgian military would be trying to hold off a force more than 20 times its size . Russia has about 641,000 in its armed forces , 320,000 of whom are in the army -- most of them conscripts who traditionally fare poorly against a motivated opponent , according to Jane 's . Low morale , poor management , inefficiency and inflexibility are cited as problems by Jane 's . Watch how Russia takes over Georgian city » . About 26,000 are in the Georgian military , and about 17,000 of them are in the army , which has had the benefit of four years of training by the U.S. Marines , Army and Special Forces , according to Jane 's . Georgia has been trying to form a professional military force and by the end of next year expected to have only a small number of conscripts in its main force , Jane 's said . Those forces would be using almost all Soviet-era weaponry . The Tbilisi government has been seeking western armaments but has been told by Washington that forces must be able to use the old weapons proficiently before they get new ones , Jane 's reported . Even with those old weapons , Georgia does n't have much to work with . Its best tanks are Soviet-era T-72s , of which it has about 80 , according to Jane 's . The Georgian army has about 150 armored personnel carriers and infantry fighting vehicles and a similar number of artillery pieces . The sharp end of the Georgian air force consists of seven aging Su-25 ground attack fighters and seven attack helicopters , according to Jane 's . Russia 's weaponry is formidable . It has about 7,000 tanks , 7,000 infantry fighting vehicles and armored personnel carriers and thousands of pieces of artillery , Jane 's reports . In the air , Russia can bring 650 multirole or ground attack aircraft to the battle , as well as 500 attack helicopters . Georgia has 150 surface-to-air missiles to use in the fight , according to Jane 's . Of course , Russia 's military is spread across a country of 10.58 million square miles ( 17 million square kilometers ) , 243 times the size of Georgia . It is not known how many or which of its forces are fighting in Georgia .
Russia has about 641,000 in its armed forces ; Georgia has about 26,900 . Georgia 's conscript troops plagued by low morale , poor management . Georgia 's military trained by U.S. since independence .