mark is ready to join the ranks of renowned airmen like carl spaatz, curtis lemay, david jones and also his immediate predecessor, norty schwartz. norty is the elder statesmen of our group of joint chiefs. i've been privileged to know him both as a fellow chief and as -- now as the chairman. in both positions, i counted on his wise and principled counsel. but more importantly, the air force counted on his leadership at a critical juncture. he delivered, and as a consequence, the air force delivers for the country. there's much more to say about norty in the days ahead, but for today i will simply say thank you. thanks to him for being a trustworthy wingman. thank him for being our nation's flight lead. with that, i think secretary panetta is prepared to take all of your questions. >> mr. secretary, with your announcement, the department's announcement the other day that military trainers are being returned to yemen, what is the prospect of even deeper u.s. military involvement in yemen in coming months, whether it be air power or ground forces? and if i may ask general dempsey, what are