Floating in the Atlantic Ocean about 150 miles north east of Cape Canaveral are the right and left solid rocket boosters, which were jettisoned from the Space Shuttle Discovery two and a half minutes into the ascent to orbit on Dec. 9, 2006. Gives a good sense of scale
A failed competitor for the Lightweight Fighter program. Accusations of corporate espionage from General Dynamics and striking similarities to their Model 401 lead to a quiet scuttling of the design. Never made it past the paper stage.
An inter-war design from the US-based Martel Aeroplane Corporation, meant for export sales. A few were rumored to make their way to Nationalist China in crates, although it’s unclear if any saw service.