Yg oggv vyq cogtkecp jgtqqu kp vjku nguuqp.

Decrypted, the above line reads:
"We meet two true American heroes in this lesson."

Joe Rochefort and Wade McLusky.  Each man led a team that was invaluable to the Battle of Midway, and the outcome of the Pacific War.

< Capt. Joseph J. Rochefort, U.S. Navy Cryptanalyst. 

 

HW: Codebreaking Sheet and Ch. 24, Sect. 3 "War in Pacific"