Task Force 20 Task Force 20 was a task force for the now - deactivated United States Second Fleet , as well as a now - inactive task froce for the United States Fleet Forces Command . In its Second Fleet role , TF - 20 served as that fleet ' s Battle Force . In its subsequent role in the Fleet Forces Command , TF - 20 served in a training role for U . S . naval units preparing to deploy to the United States Sixth Fleet in the East Atlantic Ocean and Mediterranean Sea , as well as the United States Fifth Fleet in the Indian Ocean and the Persian Gulf . Overview . Task Force 20 was one of the task force designators assigned to the United States Fleet Forces Command in the Atlantic , and was previously one of the task force designators assigned to the United States Second Fleet . According to Norman Polmar , writing in " Ships and Aircraft of the U . S . Fleet , " the designator was reserved for the Second Fleet ' s Battle Force , and the commander of that force was to be Commander , Second Fleet . This was the documented case from 1978 – 87 , and from probably much earlier . The task force was probably intended primarily at that time to undertake attacks on Soviet Navy bases on the Kola Peninsula in the event of a general war . From November 21 – 27 , 1946 , was en route to Davis Strait as part of Task Group 20 . 2 , which also included the cruiser Little Rock and destroyer USS Fechteler . Between November 27 and December 4 , she participated in cold weather exercises in Davis Strait , between Greenland and East Baffin Island , as part of Task Group 20 . 2 . An incident during that cruise involving the USS Little Rock . She was off the port side firing 5 " star shells for illumination , to spot icebergs , when there was a miss fire . According to standard procedure the gunner began to point the barrel toward the water to wait out a hangfire . However , the round cooked off half way down . The round hit the Missouri on the Signal Bridge killing Coxswain Robert Fountain and starting a fire involving an acetylene tank which was lashed to the railing . One or two officers cabins were destroyed as well . Missouri did not get back to Norfolk until December 13 , 1946 . Commander Carrier Group Six served as CTG 20 . 2 for a Mediterranean deployment aboard in April 1984 . In late October 1983 , ' s battle group ( Carrier Group Four ) , assigned to the Second Fleet , became the core of Task Group 20 . 5 , the carrier task group that would support the Invasion of Grenada . On 25 October 1983 , aircraft from Independence ' s embarked air wing flew missions supporting the invasion . The post of Commander , Task Force 20 , which was an additional post for the fleet ' s commander during the fleet ' s existence , has been maintained as a three - star vice admiral ' s position who also concurrently serves as the deputy commander of Fleet & Joint Operations , the deputy commander of U . S . Fleet Forces Command and the director of Combined Joint Operations From The Sea , Centre of Excellence . Task Force 20 was commanded by Vice Admiral David H . Buss ) from 30 September 2011 until its disestablishment on 24 August 2012 . In effect , the tasks of the Second Fleet commander and staff were reassigned to Commander , Task Force 20 until Fleet Forces Command was reorganized on 14 September 2012 . The Commander , Fleet Forces Command said on his blog that ' It was for these reasons that I approved the establishment of two DCOM billets , the 3 - Star DCOM for Fleet and Joint Operations ( DCOM - FJO ) and the 2 - Star DCOM for Fleet Management / Chief of Staff ( DCOM - FM / COS ) . These two individuals will report directly to me for their respective portfolios . Recognizing the significant increase in direct report subordinate commands , I will also dual - hat the DCOM - FJO as Commander , Task Force 20 ( CTF 20 ) , with delegated command responsibilities for SECOND Fleet ' s subordinate commands ( Commander Strike Force Training Atlantic ( CSFTL ) , 4 x CSG , ESG - 2 ) and Second Fleet ’ s existing Task Forces and Task Groups . ' Task Force 20 was disestablished effective 1 October 2012 , and its functions transferred to Task Force 80 .