dan walked across the tarmac , to a building with a sign reading flight operations hanging from a porch railing , carrying his duffel bag with most of his uniforms and civilian clothes , his 782 gear which had not only the required blanket and poncho in it , but also four c-ration meals he had brought along to offset any chance of getting stuck somewhere as he had in the attack on da nang when he was trying to get out of country on leave .