<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.india ilisaini mkataba wa dola bilioni 3 na marekani mnamo septemba 2015 kwa ununuzi wa kuinua nzito kwa chinook na helikopta 22 ah-64e.  <response>: in september 2015, india had signed a 3 billion-dollar deal with the us for the purchase of 15 chinook heavy lift and 22 ah-64e apache attack helicopters. 