general in charge of us army recruiting has warned that america 's growing obesity epidemic ` is becoming a national security issue '
major general allen batschelet says 10 percent of young men and women are currently refused because they are too heavy .
current trends project that the military will be unable to recruit enough qualified soldiers by the end of the decade .
maximum body fat percentage that the army allows for recruits aged 17-20 is 20 percent for men and 30 percent for females .