qayyara west airfield iraq president donald trump son-in-law jar kushner voice optimism long-term u.s. alliance iraq military campaign retake mosul islamic state tuesday visit base 10 miles 16 km city kushner last day two-day trip iraq guest marine general joseph dunford chairman u.s. military joint chiefs staff visit hammam al-alil base include operational brief iraqi u.s. commanders trip demonstrate far-reaching portfolio kushner 36 part trump innermost circle give wide range domestic foreign policy responsibilities include work middle east peace deal view iraq could shape trump opinions come trump examine ways accelerate u.s.-led coalition campaign u.s. iraqi officials say far largely successful uproot islamic state militants iraq syria mosul far big city hold islamic state win back would largely destroy iraqi part group caliphate proclaim mosul mosque 2014. mount concern civilian casualties final phase assault question quickly mosul rebuild repopulated govern way avoid alienate sunni-majority population mosul battle big iraq since u.s.-led invasion 2003 way since october 100,000 iraqi troop kurdish fighters shi ite militiamen seek drive militants support u.s.-led air strike although trump campaign defeat hardline sunni militant group announce major change war strategy unclear kushner experience iraq might shape advice president speak lengthy battlefield report iraq military kushner sound upbeat campaign say partnership u.s. iraqi troop impressive express hope partnership would endure signal white house interest longer-term u.s. military assistance hope victory mosul near future victory american iraqi troop victory world kushner say tuesday islamic state issue first official remark refer trump since assume u.s. presidency january describe idiot u.s. bankrupt sign demise evident every eye spokesman abi al-hassan al-muhajer say record release message network telegram evidence run idiot know syria iraq islam be even mosul pocket territory recapture u.s. officials expect islamic state go underground fight traditional insurgency kushner trip first iraq visit hammam al-alil u.s. advisers artillery position assist battle mosul also close dunford get mosul since campaign begin stop briefly qayyara west airfield another key hub war u.s. force man high mobility artillery rocket systems fire twice islamic state target mosul night iraqi security force engage fierce house-to-house fight mosul nearly 290,000 people flee city escape fight accord unite nations heavy toll civilians trap city advance slow since march 17 score people shelter air strike kill blast unite state acknowledge may kind role incident also say islamic state may blame u.s. investigation ongoing dunford say baghdad look ways good safeguard civilians give tactics islamic state raise risk include use civilians human shield iraqis look make adaptations tell reporters talk include meet monday iraqi prime minister haider al-abadi baghdad iraq trump 's son-in-law jar kushner upbeat mosul