Question: When did the military branch Henry Worsley served in start using the SA80?

full_context: Document 1: Miller Worsley: Miller Worsley (8 July 1791 – 2 May 1835) was an officer in the Royal Navy, best known for playing a major part in the Engagements on Lake Huron in the Anglo-American War of 1812.
Document 2: FN F2000: The FN F2000 is a 5.56×45mm NATO bullpup assault rifle, designed by FN Herstal in Belgium. The F2000 made its debut in March 2001 at the IDEX defence exhibition held in Abu Dhabi, in the United Arab Emirates. As of early 2019, the F2000 is removed from the FN international and US websites.
Document 3: Henry Roberts (Royal Navy officer): Henry Roberts (1756–1796) was an officer in the Royal Navy who served with Captain Cook on his last two voyages.
Document 4: Henry Howard (British Army officer): Lieutenant Colonel Henry Howard DSO MC (25 February 1915 – 6 May 2000) was a British Army officer who was twice awarded the Military Cross for gallantry and was later awarded the Distinguished Service Order for leadership whilst commanding the 1st Battalion The Oxfordshire and Buckinghamshire Light Infantry (the 43rd) in the North-West Europe campaign during the Second World War. He later became Laird of the Hebridean island of Gometra.
Document 5: Ak 5: The first versions of the Ak 5 family were made by the Swedish company FFV Ordnance AB (now part of Saab Bofors Dynamics) under license from FN, with deliveries starting in 1986. This version of the Ak 5 is still in the inventory of the Swedish Armed Forces, but is no longer issued to soldiers, having been replaced by the Ak 5C and Ak 5D. This version uses fixed iron sights, and the Swedish Armed Forces have estimated that the maximum practical distance is 400 meters, but it can be used at longer ranges. This brings it in line with the M16, using the Swedish Armed Forces definition of maximum practical distance.
Document 6: ArmaLite AR-15: The ArmaLite AR - 15 was a select - fire, air - cooled, gas - operated, magazine - fed assault rifle manufactured in the United States between 1959 and 1964. Designed by American gun manufacturer ArmaLite in 1956, it was based on its AR - 10 rifle. The ArmaLite AR - 15 was designed to be a lightweight assault rifle and to fire a new high - velocity, lightweight, small - caliber cartridge to allow the infantrymen to carry more ammunition.
Document 7: SA80: The SA80 is a British family of 5.56 × 45mm NATO small arms, all of which are selective fire, gas - operated assault rifle s. The L85 rifle variant of the SA80 family has been the standard issue service rifle of the British Armed Forces since 1987, replacing the L1A1 variant of the FN FAL. The first prototypes were created in 1976, with production ending in 1994. The A1 variant was significantly upgraded in the early 2000s by Heckler & Koch as the SA80A2 and remains in service as of 2017. In mid-2016 a prototype A3 variant was showcased which further improved on the weapon and is reportedly being considered to extend the out of service date beyond 2025.
Document 8: Henry Worsley (British Army officer): Lieutenant-Colonel Henry Worsley CB (February 1783−1820) was a British Army officer. He was the third son of James Worsley (1748−1798), rector of Gatcombe on the Isle of Wight, by his wife, Ann Hayles.
Document 9: Henry Augustus Smyth: General Sir Henry Augustus Smyth (25 November 1825 – 19 September 1906) was a senior British Army officer. He was the son of Admiral William Henry Smyth and the brother of astronomer Charles Piazzi Smyth and geologist Sir Warington Wilkinson Smyth. Of his sisters, Henrietta married the theologian Baden Powell and Georgiana the anatomist Sir William Henry Flower.
Document 10: ArmaLite AR-10: The final Artillerie Inrichtingen design is known as the "Portuguese" model AR-10. This final version incorporated all that had been learned to date about the AR-10, including infantry service rifle and field test reports. In addition to a heavier barrel with chrome-lined chamber, optional bipod, and the removable plastic/metal handguards of the Transitional model, the Portuguese variant had wider bolt lugs, a stronger extractor, a new simplified three-position gas regulator, and a cocking handle featuring a forward bolt assist. It is believed that approximately 4,000-5,000 Portuguese variants were produced; nearly all of them were sold to the Portuguese National Defense Ministry by the Brussels-based arms dealer SIDEM International in 1960. The AR-10 was officially adopted by the Portuguese paratrooper battalions ("Caçadores páraquedistas"), and the rifle saw considerable combat service in Portugal's counter-insurgency campaigns in Angola and Mozambique.
Document 11: Henry Wellesley, 3rd Duke of Wellington: Henry Wellesley, 3rd Duke of Wellington (Apsley House, 5 April 1846 – 8 June 1900, Strathfieldsaye) was a British peer and Conservative Party politician. He was the son of Lord Charles Wellesley and grandson of the 1st Duke of Wellington.
Document 12: SAR 21: The SAR 21 ("Singapore Assault Rifle - 21st Century") is a bullpup assault rifle designed and manufactured in Singapore. First revealed and subsequently adopted by the Singapore Armed Forces (SAF) in 1999, it was designed and developed over a four-year period and was intended to replace the locally license-built M16S1 by the Ministry of Defence (MINDEF), Singapore Army and the Chartered Industries of Singapore (CIS, now ST Kinetics). Many of its design features are directly intended to counter the weaknesses of the M16S1 as encountered operationally by some infantrymen.
Document 13: Henry Lowry-Corry (1845–1927): Colonel Henry William Lowry-Corry DL, JP (30 June 1845 – 6 May 1927), styled The Honourable from birth, was a British Army officer and Conservative politician.
Document 14: William Howe, 5th Viscount Howe: General William Howe, 5th Viscount Howe, KB, PC (10 August 1729 -- 12 July 1814) was a British Army officer who rose to become Commander - in - Chief of British forces during the American War of Independence. Howe was one of three brothers who had distinguished military careers.
Document 15: SA80: After receiving feedback from users and incorporating the various design changes requested, including adapting the rifle for use with the heavier Belgian SS109 version of the 5.56×45mm round and improving reliability, the weapon system was accepted into service with the British Armed Forces in 1985 as the SA80. The SA80 family originally consisted of the L85A1 Rifle, the L86A1 Light Support Weapon (LSW), and L98A1 Cadet GP Rifle. The first weapons were issued in October 1985.
ground_truth: 1987
sub_queries: Henry Worsley >> military branch Answer: British Army
when did British Army start using the sa80 Answer: 1987