Operation Moshtarak focuses on area where heroin grows , and has targeted government . CNN correspondent Atia Abawi , embedded with the Marines , said troops did n't receive any resistance when they took the station , but gun battles broke out in the area a few hours later . Taliban finances uses illegal opium trade to finance operations . Gun battles broke out hours later after headquarters seized , CNN correspondent says . Taliban militants continued to attack Marine locations with small arms and rocket - propelled grenades .
Operation Moshtarak focuses on area where heroin grows , and has targeted government . Taliban finances uses illegal opium trade to finance operations . Gun battles broke out hours later after headquarters seized , CNN correspondent says . Taliban militants continued to attack Marine locations with small arms and rocket - propelled grenades .