invasion of Salamaua–Lae (8–13 March 1942), called Operation SR by the Japanese, was an operation by Imperial Japanese forces to occupy the Salamaua–Lae...

The Lockheed SR-71 "Blackbird" is a retired long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by the American...

resembling those used by the M16. United States Special Operations Command took interest in the SR-25, particularly its high magazine capacity and faster...

retired Lockheed SR-71 Blackbird. In 2018, company executives said an SR-72 test vehicle could fly by 2025 and enter service in the 2030s. The SR-71 Blackbird...

latch becomes a gated SR latch (a SR latch would transform into a gated SR latch with inverted enable). Alternatively, a gated SR latch (with non-inverting...

suppressor. It is currently being supplied. The SR-1PM is a fundamental redesign of the SR-1MP for blow back operation. The redesign includes a heavier slide with...

primarily utilized by Russian Special Operations Forces and Russian Federal Security Officers. After the adoption of the SR-3, the FSB established new operational...

Sr. (March 17, 1937 – December 25, 2012), also known as "Frankie Breeze", was a made man who ran major loansharking and illegal gambling operations for...

piston operation. Ruger announced on October 17, 2013 on the SR-762 being produced. By 2018, Ruger had discontinued the SR-762 (along with all of the SR-556...

by the enemy. As a role, SR is distinct from commando operations, but both are often carried out by the same units. The SR role frequently includes covert...

variant in 2013, the SR-762. It is one of several AR-15 rifles to use a gas piston operation. Ruger announced on May 15, 2009 on the SR-556 being produced...

they share, and can be separately compiled. Operations provide the primary mechanism for process interaction. SR provides a novel integration of the mechanisms...

NASM–SR or Naval Anti-Ship Missile–Short Range is a helicopter launched anti-ship missile being developed by the Defence Research and Development Organisation...

due to defeat at the Battle of Midway) Operation Mo, Operation R, Operation SR (Invasion of New Guinea) Operation RY (Invasion of Nauru) Kantokuen (Renewed...

Trafficante Sr. (May 28, 1886 – August 11, 1954) was a Sicilian-born mobster, and father of the powerful mobster Santo Trafficante Jr. Santo Trafficante Sr. gained...

Chicago Outfit mob hitman Frank Calabrese Sr. provided testimony that was instrumental to the success of Operation Family Secrets. The investigation led to...

Antoine Marcel Sr. (May 27, 1907 – June 23, 1986) was a lieutenant colonel in the United States Air Force who helped administer Operation Crossroads, the...

The SR.N4 (Saunders-Roe Nautical 4) hovercraft (also known as the Mountbatten class hovercraft) was a combined passenger and vehicle-carrying class of...

The SR-50 was Texas Instruments' first scientific pocket calculator with trigonometric and logarithm functions. It enhanced their earlier SR-10 and SR-11...

Samuel Ealy Johnson Sr. (November 12, 1838 – February 25, 1915) was an American politician, businessman, farmer, and rancher. He was the grandfather of...

State Road 408 (SR 408), officially named the Spessard L. Holland East–West Expressway, is a controlled-access toll road running east–west through Orlando...

California, United States. Founded in 1965 by Jim Dunlop Sr., the company grew from a small home operation to a large manufacturer of music gear. Dunlop has...

This is a list of known Japanese operations planned, executed or aborted during the Second World War. Japanese expansion (1941–1942)...

Martin RQ-170 Sentinel Lockheed SR-71 Blackbird Mach 3.3 very high-altitude reconnaissance aircraft Lockheed Martin SR-72 Lockheed U-2 very high-altitude...

displayed there. Major events in the development and operation of the A-12 and its successor, the SR-71, include: 16 August 1956: Following Soviet protests...

Operation Monopoly was a secret plan by the United States Federal Bureau of Investigation (FBI) to construct a tunnel underneath the Soviet Embassy in...

Sr., known as "Lead Pipe Joe" to his crime family associates was a caporegime in the Buffalo family who reportedly controlled bookmaking operations along...

military within the DC Universe. The original Rick Flag Sr., initially known as Richard Montgomery Flag Sr., is a World War II veteran and field commander of...

the whole week in 1971. On 30 August 1998, S3 became SR Südwest Fernsehen, planned in co-operation with Südwestrundfunk, the successor to SWF and SDR....

Joseph "Jo Jo" Corozzo, Sr. (born October 1, 1942 - December 4, 2024) was an American mobster who was the reputed consigliere of the Gambino crime family...