This is a retarded idea. The CG-4A Waco when being towed by a C-47 had a top speed of about 120 mph. Not to mention the turning radius of a B-29 on WEP at 30,000ft.
The idea of a map capture is to get the troops there QUICKLY and STEALTHILY.
Tell me, why would you take an already slow airplane of 240mph and slow it to 120mph for a capture? And also, increase its visual target for enemy fighters. The Waco was an awesome idea for D-day invasions. It is a horrible idea for the LWA.