1. USN - Noun
2. USN - Proper noun
USN
Initialism of United States Navy.
USN (plural USNs)
(computing, Microsoft Windows) Initialism of update sequence number.
Norway-based Kongsberg Gruppen and U.S. missile maker Raytheon Company last year by the USN to install the NSM aboard most LCSs by 2023. Source: Internet
Former Alexandrian, Captain Brian Buzzell, USN (retired) spent 3 weeks in the Philippines visiting some of his old stomping grounds where he used to race Columbia 22’s out of the Subic Naval Base Yacht Club 1991-92. Source: Internet
In 2011, the USMC and USN signed an agreement by which the USMC will purchase 340 F-35B and 80 F-35C fighters, while the USN will purchase 260 F-35Cs. Source: Internet
Maritime patrol aircraft A USN P-8 Poseidon main A maritime patrol aircraft fixed-wing military aircraft designed to operate for long durations over water in maritime patrol roles—in particular anti-submarine, anti-ship and search and rescue. Source: Internet
CATOBAR is most commonly used on USN supercarriers as it allows the deployment of heavy jets with full loadouts, especially on ground-attack missions. Source: Internet
Knaack 1978, p. 266. The USN operated the F4H-1 (re-designated F-4A in 1962) with J79-GE-2 and -2A engines of 16,100 lbf (71.62 kN) thrust and later builds receiving -8 engines. Source: Internet