F15 or F-15 may refer to:
==Aircraft== Boeing F-15EX Eagle II, a development of the F-15E Strike Eagle McDonnell Douglas F-15 Eagle, an American-designed air-superiority fighter aircraft McDonnell Douglas F-15 STOL/MTD, a technology demonstrator based on the F-15 Eagle McDonnell Douglas F-15E Strike Eagle, an all weather strike fighter derived from the F-15 Eagle Northrop F-15 Reporter, a photo-reconnaissance variant of the P-61 Black Widow Curtiss XF15C, a 1940s U.S. Navy fighter prototype
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).