1 , ▁who ▁are ▁aligned ▁with ▁conventional , ▁Special ▁Operation ▁Forces , ▁and ▁Tier ▁ 1 ▁combat ▁man eu ver ▁units ▁to ▁provide ▁precision ▁terminal ▁attack ▁guidance ▁of ▁U . S . ▁and ▁coal ition ▁fixed - ▁and ▁rot ary - wing ▁close ▁air ▁support ▁aircraft , ▁art illery , ▁and ▁naval ▁gun fire ; ▁establish ▁and ▁maintain ▁command ▁and ▁control ▁( C 2 ) ▁communic ations ; ▁and ▁advise ▁ground ▁command ers ▁on ▁the ▁best ▁use ▁of ▁air ▁power . ▁ ▁T AC P s ▁are ▁Special ▁War fare ▁air men ▁who ▁operate ▁in ▁multiple ▁context s . ▁Most ▁commonly , ▁T AC P s ▁serve ▁as ▁the ▁principal ▁Air ▁Force ▁l ia ison ▁element ▁to ▁the ▁United ▁States ▁Army ▁( USA ), ▁where ▁they ▁align ▁with ▁combat ▁man eu ver ▁e ch el ons ▁from ▁Corps ▁to ▁Battalion ▁level . ▁The ▁T AC P ▁provides ▁its ▁aligned ▁Army ▁unit ▁with ▁expert ise ▁in ▁planning ▁and ▁executing ▁air power ▁in ▁support ▁of ▁the ▁land ▁component ▁commander ' s ▁scheme ▁of ▁man eu ver . ▁In ▁special ▁operations ▁settings , ▁T AC P s ▁deploy ▁with ▁" white " ▁SO F ▁units , ▁including ▁Air ▁Force ▁Special ▁T act ics , ▁Army ▁Special ▁Forces , ▁and ▁Navy ▁SE AL ▁teams , ▁as ▁well ▁with ▁Army ▁and ▁R angers ▁and ▁J oint ▁Special ▁Oper ations ▁Command ▁Special ▁Mission ▁Units , ▁acting ▁primarily ▁as ▁precision ▁a irst rike ▁controllers ▁and ▁communication ▁and ▁command - and - control ▁exper ts . ▁ ▁Over view ▁The ▁US