X-31 (cont'd) 
    Angles of Attack
    Rogers  Smith
B-2 
    The Stealth Heritage
    Flying Wings
    Two Kinds of Stealth
    A B-2 Bargain?
    Lt. Colonel Perry Lamy
X-29
    Wing Sweep
    Birth of Forward Sweep
    Grumman's Sweep
        Forward
    The Agile Flyer
    Rogers  Smith