11694294 - X-38 spacecraft on B-52 wing,199711897676 - Launch of X-24A lifting body from B-5211887524 - X-43B and B-52 aircaft12015899 - B-52 Bomber12015900 - B-52 Bomber11694292 - Northrop HL-10 and B-52 aircraft,196911887593 - X-15 under wing of B-52 just before launch11677741 - X-15 mated to its mothership B5211677739 - X-15 mated to its mothership B5211887511 - X-38 free flight