The Vympel R-23 (NATO reporting name AA-7 Apex) is a medium-range air-to-air missile developed by Vympel in the Soviet Union for fighter aircraft. An updated...

The Rikhter R-23 is an aircraft autocannon developed for the Soviet Air Force starting in the late 1950s. It was designed to be as short as possible to...

USS R-23 (SS-100) was an R-class coastal and harbor defense submarine built for the United States Navy during World War I. The R-boats built by Lake Torpedo...

Missiles: Air-to-air missiles: 4 × R-60 or 2 x R-73 2 × R-23 or R-24 2 × R-13M or R-13M1 2 × R-3S Air-to-surface missiles: Kh-23 Grom Bombs: Up to 500 kg (1...

decimal R 19 {\displaystyle R_{19}} is also the second to be a prime repunit (after R 2 {\displaystyle R_{2}} ), followed by R 23 {\displaystyle R_{23}} and...

industry in plasma etching of silicon oxide and silicon nitride. Known as R-23 or HFC-23, it was also a useful refrigerant, sometimes as a replacement for...

The B&R 23 is a sailing boat designed in the early 1990s. It has an ultralight construction with a very large sail plane. Typical crew is a helmsman and...

service in 1965, replacing the earlier Nudelman-Rikhter NR-23 and Rikhter R-23. The GSh-23 works on the Gast Gun principle developed by German engineer...

23 Special Air Service Regiment (Reserve) (23 SAS(R)) is a British Army Reserve special forces unit that forms part of United Kingdom Special Forces....

The Rubik R-23 Gébics (Shrike) was a Hungarian advanced training glider, the first of a series of metal-framed gliders designed by Ernő Rubik, though only...