which ship has been active for the most amount of years?
henry j. kaiser
col : ship | hull no. | status | years active | nvr\npage row 1 : henry j. kaiser | t-ao-187 | active—southern california duty oiler | 1986–present | ao187 row 2 : joshua humphreys | t-ao-188 | inactivated 1996, returned to service 2005 | 1987-1996; 2005-2006; 2010-present | ao188 row 3 : john lenthall | t-ao-189 | active | 1987-1996; 1998–present | ao189 row 4 : andrew j. higgins | t-ao-190 | inactivated may 1996. sold to the chilean navy may 2009. | 1987-1996 (usa); 2010–present (chile) | ao190 row 5 : benjamin isherwood | t-ao-191 | cancelled when 95.3% complete,\ntransferred to | launched 1988, christened 1991, never in service | ao191 row 6 : henry eckford | t-ao-192 | cancelled when 84% complete,\ntransferred to the | launched 1989, never in service | ao192 row 7 : walter s. diehl | t-ao-193 | active | 1988–present | ao193 row 8 : john ericsson | t-ao-194 | active | 1991–present | ao194 row 9 : leroy grumman | t-ao-195 | active | 1989–present | ao195 row 10 : kanawha | t-ao-196 | active | 1991–present | ao196 row 11 : pecos | t-ao-197 | active | 1990–present | ao197 row 12 : big horn | t-ao-198 | active | 1992–present | ao198 row 13 : tippecanoe | t-ao-199 | active | 1993–present | ao199 row 14 : guadalupe | t-ao-200 | active | 1992–present | ao200 row 15 : patuxent | t-ao-201 | active | 1995–present | ao201 row 16 : yukon | t-ao-202 | active | 1994–present | ao202 row 17 : laramie | t-ao-203 | active | 1996–present | ao203 row 18 : rappahannock | t-ao-204 | active | 1995–present | ao204
which ship has been active for the most amount of years?
Ship Hull No. Status Years Active NVR\nPage
Henry J. Kaiser T-AO-187 Active—Southern California Duty Oiler 1986–present AO187
Joshua Humphreys T-AO-188 Inactivated 1996, returned to service 2005 1987-1996; 2005-2006; 2010-present AO188
John Lenthall T-AO-189 Active 1987-1996; 1998–present AO189
Andrew J. Higgins T-AO-190 Inactivated May 1996. Sold to the Chilean Navy May 2009. Towed to Atlantic Marine Alabama shipyard, Mobile, Alabama, September 2009 for three-month refit. Commissioned in Chilean Navy on 10 February 2010 and renamed Almirante Montt.[1] 1987-1996 (USA); 2010–present (Chile) AO190
Benjamin Isherwood T-AO-191 Cancelled when 95.3% complete,\ntransferred to the Maritime Administration,\nlaid up in the James River Reserve Fleet,\nscrapped in 2011 Launched 1988, christened 1991, never in service AO191
Henry Eckford T-AO-192 Cancelled when 84% complete,\ntransferred to the Maritime Administration,\nlaid up in the James River Reserve Fleet,\nscrapped in 2011 Launched 1989, never in service AO192
Walter S. Diehl T-AO-193 Active 1988–present AO193
John Ericsson T-AO-194 Active 1991–present AO194
Leroy Grumman T-AO-195 Active 1989–present AO195
Kanawha T-AO-196 Active 1991–present AO196
Pecos T-AO-197 Active 1990–present AO197
Big Horn T-AO-198 Active 1992–present AO198
Tippecanoe T-AO-199 Active 1993–present AO199
Guadalupe T-AO-200 Active 1992–present AO200
Patuxent T-AO-201 Active 1995–present AO201
Yukon T-AO-202 Active 1994–present AO202
Laramie T-AO-203 Active 1996–present AO203
Rappahannock T-AO-204 Active 1995–present AO204
Henry J. Kaiser