That would be the "Ada" programming language.
Ada
A programming language, based on Pascal and developed for the U.S. Department of Defense.
Pascal.
Lots of programming languages were developed IN the US or BY US citizens, but there are no languages that were developed BY the US as a whole.
1996
Microsoft
The programming language developed by the US Department of Defense that was named to honor a famous woman in mathematics is called Ada. It was named after Augusta Ada Lovelace, a 19th-century mathematician and writer known for her work on Charles Babbage's early mechanical general-purpose computer, the Analytical Engine. Ada is primarily used for safety-critical and real-time systems.
The firs't successful programming language was Fortran desgined by John Backus in 1957.
C++, Java
James gosling...
Chuck Esterbrook
programming languages B and BCPL which was used to derive C