<Li> James Kirk Roberts (named in the honor of Capt James T. Kirk). Bud was a big Star Trek fan . </Li> <Li> Unnamed twins (a boy and a girl) born towards the end of the series (the girl is called Nikki in episode "Straits of Malacca"). </Li> <P> Lieutenant Roberts was assigned as Judge Advocate on the USS Seahawk during the beginning of the War on Terrorism in 2002 . He lost a leg trying to save a boy from a field of landmines in Afghanistan that year . He was transferred back to JAG HQ after his operation and proving that he was still able to meet the fitness requirements of the U.S. Navy . </P> <P> Roberts was promoted to the rank of Lieutenant Commander in 2004 in "Hail and Farewell" Part 1, which was the final act of command of the Judge Advocate General, Rear Admiral A.J. Chegwidden, at his dining out . Bud had already been passed over for promotion twice, meaning that if he were to be passed over a third time, he would have been involuntarily separated from the Navy . </P>

When did bud lose his leg in jag