( CNN ) -- Britain formally ended its combat mission in Afghanistan on Sunday , lowering the Union Jack for the final time before handing over its last remaining base to Afghan forces . `` I made a commitment that I would get our Armed Forces out of Afghanistan by 2015 , and today sees the end of combat operations in the country , '' Prime Minister David Cameron tweeted on Sunday . American troops also took part in the ceremony at the Bastion-Leatherneck coalition base in Helmand province , marking the end of 13 years of UK military operations in the country . Britain 's military presence moved to Helmand in 2006 to tackle an insurgency together with troops from the United States and other countries . A total of 453 UK troops have died in service in Afghanistan . `` We will always remember the courage of those who served in Afghanistan on our behalf and never forget those who made the ultimate sacrifice , '' said Cameron . According to the Ministry of Defence , Afghan National Security Forces will take over the bases and all operations . The United Kingdom will continue to support them in their development . Already , the country 's military is handling most of its security needs . `` In June 2013 , the 330,000-strong ANSF took assumed lead responsibility for security across Afghanistan and since then they have been responsible for 99 % of operations , '' the ministry said . Meanwhile , two rocket attacks hit the Wazir Akbar Khan neighborhood of Kabul , home to the American Embassy , reported Pajhwok News Agency and Tolo News , a CNN affiliate that cited Kabul police spokesman Hashmat Stanekzai . There were no known casualties . Also , two rockets landed outside the NATO-led International Security Assistance Force in Kabul , confirmed ISAF spokesman Mike Hartnett , speaking to CNN by phone . Hartnett said the attacks resulted in no ISAF casualties .
NEW : Two separate rocket attacks reported in the capital of Kabul . PM David Cameron tweets `` today sees the end of combat operations '' Soldiers lower UK and U.S. flags at the UK 's last remaining base in Helmand province . UK troops moved to Helmand province in 2006 to fight an insurgency .