B through E, Examples of dual-recombinase targeting of second heart field–derived SMCs in the aortic root and ascending aorta using Isl1-Dre (B), neural crest–derived SMCs in the aortic arch and in ...

The single item that has generated the most comment about the J-36 is its dorsal intake. Dorsal intakes on combat aircraft are novel, but not exactly new. In the 1950s the North American F-107 ...