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((More citations needed|date=August 2022))
((Use dmy dates|date=July 2020))
((Infobox military conflict
| conflict          = Operation Riviresa
| partof            = [[Sri Lankan Civil War]]
| campaign          = 
| image             = 
| caption           = 
| date              = ((ubl|((Start and end dates|1995|11|17|1995|12|5|df=yes))<br />(((Age in years, months and days|1995|11|17|1995|12|5)))))
| place             = [[Jaffna]], [[Sri Lanka]]
| result            = Sri Lankan Military victory
| territory         = 
| combatant1        = ((army|Sri Lanka))<br>
((Flagicon image|Naval Ensign of Sri Lanka.svg|15px)) [[Sri Lanka Navy]]
| combatant2        = ((Flagicon image|Tamil Eelam Flag.svg|15px)) [[Liberation Tigers of Tamil Eelam]]
| commander1        = ((Flagicon image|Flag of the Sri Lankan Army.png|15px)) [[Major General]] (later General) [[Rohan Daluwatte]]<br/>((Flagicon image|Flag of the Sri Lankan Army.png|15px)) [[Brigadier]]  (later Major General)  [[Janaka Perera]]<br />((Flagicon image|Flag of the Sri Lankan Army.png|15px))  Brigadier Neil Dias<br/>((Flagicon image|Flag of the Sri Lankan Army.png|15px))  Brigadier P.A. Karunathilaka<br /> ((Flagicon image|Naval Ensign of Sri Lanka.svg|15px)) Commodore H.R Amaraweera - Northern Naval Area Commander
| commander2        = ((Flagicon image|Tamil Eelam Flag.svg|15px)) [[Velupillai Prabhakaran]]
| strength1         = 25,000<ref>((cite book |last1=Clarke |first1=Michael |editor1-last=Studies |editor1-first=Centre for Defence |title=Brassey's Defence Yearbook 1997 |date=1997 |publisher=Brassey's |location=London ; Washington |isbn=978-1-85753-215-9 |pages=237 |language=English))</ref>
| strength2         = 3,000
| casualties1       = 500+Killed & 650 Wounded<ref name='CBA1'>[http://www.cisr-irb.gc.ca/en/research/publications/index_e.htm?docid=240&cid=0&sec=CH03 Issue Papers, Extended Responses and Country Fact Sheets<!-- Bot generated title -->]</ref>
| casualties2       = 438 Killed [LTTE claimed]
| notes             = 
))
((Campaignbox Eelam War III))
((Campaignbox Sri Lankan Civil War))

'''Operation Riviresa''' (Operation Sunrays), was a combined military operation launched by the [[Sri Lankan Armed Forces]] in [[Jaffna]]. Starting on 17 October 1995, the primary objective of the operation was the capture of the city of Jaffna and rest of the [[Jaffna peninsula]] from the [[LTTE]] (the Liberation Tigers of Tamil Eelam, better known as the Tamil Tigers). It is believed that Operation Riviresa was the largest and most successful military operation in Sri Lankan Armed Forces during the Third Eelam War.<ref>((cite news|url=http://news.bbc.co.uk/onthisday/hi/dates/stories/december/5/newsid_4618000/4618661.stm|title=1995: Jaffna falls to Sri Lankan army|publisher=BBC News|date=5 December 1995))</ref>

==Background==
During mid-90’s – the objective of the Sri Lanka Military was to take control of the Jaffna peninsula and establish link between Jaffna District and KIllinochi District in order to maintain a land route from south. This time period Sri Lanka’s Political landscape was changing rapidly, the initial Military approach and plans were amendment with the government change in 1995, the government of CBK decided to engage in peace negotiation with the LTTE which expanded for months.  Towards the end of March 1995 it was evident that the peace negotiations are not progressing and state intelligence was skeptical of the motives behind LTTE. 
The first act of hostilities by the LTTE ending peace talks was the attack on Sri Lanka Naval fleet in Dockyard Trincomalle in April 1995. The military installations in the north came under repeated attacks by the LTTE, at this juncture Sri Lankan Air Force were under constant threat and the LTTE brought down several Air Crafts as a result of Surface to Air Missiles deployed for the first time in the conflict. The Air Force has to adhere to several evasive maneuvers when landing and taking off at Pallai Air Force base. The Situation had a deep impact regards to air movement since precious cargo and personal transport to north was hindered.  During the same time period the Sri Lanka Navy convoys off northern seas and the only port in the northern theater KKS was under constant attack by the LTTE using suicide cadres and suicide boats.  
The Sri Lanka Navy has to play a vital role in providing uninterrupted supplies & logistic which ranges from transportation of troops, ammunition, military hardware, rations and provisions to the entire northern theater.   Even though the government was not in control of the Jaffna peninsula the Sri Lankan Government was responsible for providing essentials and services for the civilian population in the Jaffna peninsula, this was mainly implemented through the Government Agent the post which functioned throughout the conflict. The Sri Lanka Navy was responsible in providing a safe passage for the Ceylon Shipping Corporation and private merchant vessels reaching KKS with essential goods. 
On this back drop, an offensive operation was needed to take control of the Jaffna peninsula, The Army decided to launch operation “ Rivirasa” under the Overall Operations Commander Gen. Rohan Dalluwathe.  However, the window of opportunity was closing in due to the incoming monsoons season in October- December.  The Sri Lanka Army’s higher arch was deeply concern regards to the capabilities and the ability of the Sri Lanka Navy to secure Main Supply Route (MSR) which will be a vital factor for the success of the operation. 
The Naval responsibility rested directly upon the Commander Northern Naval Area (Comnorth).  As the Commander Northern Naval Area at the time Commodore HR Amaraweera took upon the responsibility and gave SL Army assurances in securing Main Supply Route (MSR). Till the eve of operation “Rivirasa” was launched.  The Navy manages to maintain the Main Supply Route with a heavy price, with valiant efforts and sacrifices by Naval personal in deep seas in north and in protecting only gateway to the north the KKS harbor. 
Preparations for the offensive began with the resumption of hostilities after peace talks failed following the LTTE attack on the Trincomalee naval base. The administration of President [[Chandrika Kumaratunga]] ordered active military operations against the LTTE following this attack. Planning and preparations for the operation were conducted by Major General (later General) [[Rohan Daluwatte]] who was overall Operations Commander, and under the purview of Lieutenant Colonel (later General) [[Anuruddha Ratwatte]] who was the deputy-minister of Defense.

Planning for the operation started in June 1993 under the Command of Major General Gamunu Kulatunge, who directed Col. Lucky Rajasinghe to plan the operation, assisted by Col. Mohan Rockwood as a response to the assassination of President [[Ranasinghe Premadasa]] by the LTTE on 1 May 1993. 

The Tiger high-command, knowing that plans were afoot to capture the City of Jaffna, launched a pre-emptive strike on [[Sri Lanka Army]] and [[Sri Lanka Navy|Navy]] positions in the [[Kilali]] area and tried to [[Battle of Pooneryn|overrun their positions at Poonaryn]] on 11 November 1993. Though there were major losses at Poonaryn, the Sri Lankan Military fought back to retain the isolated military camp with some determined tactical battles at all levels (Commanded by Lt. Colonel Ranjith De Silva). On the same night, 52 ‘Black Tigers’, elite commandos of LTTE tried to infiltrate Palaly airbase by sea to destroy the aircraft and was discovered and thwarted by 1st Field Engineer Regiment troops (Commanded by Lt. Colonel Lucky Rajasinghe SLE and Major Lakshman David SLE), killing 13 Black tigers. Rest of them Fell back to their bases. This left Palaly, Elephant Pass, Poonaryn and Kayts areas, leaving the rest of the area in Jaffna Peninsula to the Tigers. Since the main staging area for the attack was in Palaly, a small scale operation, code-named Operation Leap Forward (Planned and conducted by [[Major General]] [[Srilal Weerasooriya]] and Colonel Hiran Halangoda), was launched to expand the perimeter of the air base prior to Operation Riviresa expanding the holding area west of [[Karainagar]]. But it was thwarted by LTTEs counter operation code-named 'Tiger Leap'.

==Operation==
[[File:Riviresa Campaign Services Medal.png|thumb|right|200px|Riviresa Campaign Services Medal]]
Operation Thunder Strike, a preliminary action to further enlarge the required staging area to the east, was launched on 28 September 1995. 532 Brigade, under the command of Colonel Lucky Rajasinghe, was tasked with the capture of the [[Achchuweli]] area. They were supported by the rest of 53 Division's resources commanded by [[Brigadier]] [[Janaka Perera]]. As 53 Division was consolidating in the Achchuweli area on the night of 31 October, the LTTE launched a major counter-attack on the division's positions. As the attack was anticipated by Brigadier Janaka Perera, it was repelled by troops of the 53 Division, which resulted in a large number of casualties for the LTTE. This was the key moment of the battle as this loss demoralized the LTTE cadres and SL Army troops realized the vulnerability of the LTTE tactical operations, boosting their morale. Operation RIVIRESA-I was launched on 17 October 1995 with the aim of wresting control of the [[Valigamam|Valikamam]] area of the Jaffna peninsula. Major General (later General) Rohan Daluwatte and Brigadier (later Major General) Janaka Perera were two key military personnel who were instrumental in the leadership and success of the operation. 20,000 troops of the Sri Lanka Army were deployed at the outset of the attack, they were supported by the [[Sri Lanka Air Force]] and the Sri Lanka Navy.

The operation, commanded by [[Major General]] [[Rohan Daluwatte]] as Overall Operations Commander (OOC), involved three divisions. The 51st Division, commanded by Brigadier (Later Major General) Neil Dias and deputy commander [[Brigadier]] (later Field Marshal) [[Sarath Fonseka]] and the 52nd Division, commanded by Brigadier (later Major General) P.A. Karunathilaka and deputy commander Brigadier (later Major General) Anton Wijendra, advanced astride the Jaffna - Point Pedro and Jaffna - Palaly Road axes respectively up to a line joining [[Kopay]] and [[Kondavil]]. This advance was met with stiff resistance from the LTTE. It took the two divisions almost a month to cover the 12-mile stretch. From this lateral line, the 53rd Division, consisting of Special Forces commanded by [[Brigadier]] [[Janaka Perera]] and deputy commander [[Colonel]] (later Major General) [[Gamini Hettiarachchi]] broke out and launched a narrow frontal attack that headed directly to the east of Jaffna town, capturing key crossroads along the way. The 53rd Division consisted of the 534 Independent Brigade (commanded by [[Colonel]] [[Percy Fernando]]), 531 Air Mobile Brigade (commanded by Colonel Hiran Halangoda), 533 Armored Brigade (commanded by Colonel Gamini Balsooriya) and 532 Infantry Brigade (commanded by Colonel Lucky Rajasinghe). The LTTE had prepared for the attack in advance by mining all roads into the peninsula and creating defenses in depth with additional cadres from the eastern province. 531 Brigade met with stiff resistance on 18 November, but managed to maneuver the troops east to avoid the heavily mined built-up areas. On 19 November 534 Brigade stepped into the attack and fought one of the hardest battles as they moved to cut off the main road linking Jaffna from the rest of the peninsula. Brigadier Janaka Perera ordered the 532 Infantry Brigade into action without giving the LTTE an opportunity to regroup and the said brigade, fighting through some of fierce battles and reached the waters of [[Colombuthurai]] on 20 November 1995, cutting off [[Valikamam]] from the [[Vadamarachchi]] and [[Tenamarachchi]] areas. However, an intense battle still had to be fought to evict the remaining cadres from Jaffna town.

==Battle for Jaffna==
((main| Battle of Jaffna (1995)))
On 29 November 1995, 53 Division, commanded By [[Brigadier]] [[Janaka Perera]] launched an assault on the [[LTTE]] positions guarding [[Jaffna]] town. Brigadier Perera decided to commence the operation on a narrow front to minimize civilian casualties. He launched the 532 Infantry Brigade, (commanded by Colonel Lucky Rajasinghe), from the east to penetrate and probe the defenses held by the LTTE. As the brigade ran into a tight LTTE defense on Navalar Road. Colonel Lucky Rajasinghe ordered a 'turning movement' from the north, moving around the LTTE defenses and capturing the [[Nallur (Jaffna)|Nallur]] Area. Brigadier Janaka Perera, seizing the gap created by the infantry brigade, simultaneously launched the air-mobile 531 Brigade (commanded by Colonel Hiran Halangoda), to capture [[Jaffna Fort]]. At the same time the independent 534 Brigade (commanded by [[Colonel]] [[Percy Fernando]]), set-out along the east coast to capture the Jaffna [[Jetty]]. With three brigades attacking simultaneously from three different sides, the LTTE was unable to coordinate their defenses effectively.

By the evening of 1 December, three brigades had breached the LTTE defenses, causing confusion. During the night of 1 December, LTTE cadres were taking advantage of the darkness, escaping in boats across Kilali [[Lagoon]] and abandoning the city's defenses. On the morning of 2 December 1995, following an intense 50-day battle, troops of 53 Division entered Jaffna city almost un-opposed.

===Aftermath===
Political leadership against the advice of military planners, expected the LTTE to collapse after the loss of Jaffna city. But the LTTE fell back to gain time to re-group and was back in little time more fierce than ever.

Unfortunately for Sri Lanka, five of the brigade commanders who mattered the most were lost within the next year - three were killed in battle and two left the Army, disgruntled by dissatisfied planning by the political and military leadership. SL Forces were unable to hold on to the subsequent gains (Navatkuli to Killinochchi from North and Vavuniya to Mankulum from the South), made into the LTTE areas beyond the immediate vicinity of Jaffna City. Political leadership continued to drive the military leadership (against the advice of the military commanders), to stretch their forces beyond the practical limits of defense as they continued to believe that the LTTE would collapse after the fall of Jaffna City. The whole concept of the conduct of operations changed from the ‘execution of political (National) aims planned and conducted by military leadership' to political leaders stepping in to the shoes of military commanders in their determination to gain popularity (with the objective of destroying the LTTE), by sacrificing the long term political and military objective of 'winning the hearts and minds of the Tamil population'.<ref>((cite news|url=http://edition.cnn.com/WORLD/9512/sri_lanka/index.html |title=Sri Lankan army hails capture of Jaffna |publisher=CNN |date=December 5, 1995 |url-status=dead |archive-url=https://web.archive.org/web/20050320065142/http://edition.cnn.com/WORLD/9512/sri_lanka/index.html |archive-date=March 20, 2005 ))</ref><ref>((cite news|url=http://www.cnn.com/WORLD/9604/21/sri.lanka/ |title=Sri Lankan troops continue push into rebel territory |publisher=CNN News |date=April 21, 1996 |url-status=dead |archive-url=https://web.archive.org/web/20050222034901/http://www.cnn.com/WORLD/9604/21/sri.lanka/ |archive-date=February 22, 2005 ))</ref>

==References==
((reflist))

==External links==
===Official websites===
*[http://www.defence.lk/ Ministry of Defence, Sri Lanka]
*[https://web.archive.org/web/20060112015449/http://www.peaceinsrilanka.org/ Government of Sri Lanka Peace Secretariat]

===News reports===
*[http://sundaytimes.lk/960331/sitrep.html Sundaytimes]
*[http://www.sundaytimes.lk/960324/sitrep.html Sundaytimes]

((DEFAULTSORT:Riviresa, Operation))
[[Category:Battles of Eelam War III]]
[[Category:1995 in Sri Lanka]]
[[Category:October 1995 events in Asia]]
[[Category:November 1995 events in Asia]]
[[Category:December 1995 events in Asia]]
[[Category:1995 in military history]]

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