Narrative:

Started the day in ZZZ1 flew to ZZZ for fuel and a quick turn no issues in the flight prior about 30 minutes on the ground at ZZZ. We got our fuel and started engines and taxied out for departure. We had 9;000 lbs of fuel onboard departing runway xxr at ZZZ it was my first officer's leg to fly. We advanced power to takeoff thrust I called V1; vr my first officer rotated and called positive rate gear up as I put the gear up we got a very strong dirty sock smell. I let down my sunglasses and the entire cockpit was filled with smoke I immediately told tower we were returning to the airport for smoke in the cockpit. They then gave us right pattern xxr clear to land at this point I took the controls from my first officer and conducted the landing myself on runway xxr about 5 minutes after takeoff. We taxied into the ramp again shut the airplane down cold dark. I then called mission control and our chief pilot.

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Original NASA ASRS Text

Title: EMB-135 flight crew reported haze like smoke accompanied by a pungent odor after takeoff. Flight crew executed a return to departure airport.

Narrative: Started the day in ZZZ1 flew to ZZZ for fuel and a quick turn no issues in the flight prior about 30 minutes on the ground at ZZZ. We got our fuel and started engines and taxied out for departure. We had 9;000 lbs of fuel onboard departing Runway XXR at ZZZ it was my FO's leg to fly. We advanced power to takeoff thrust I called V1; VR my FO rotated and called positive rate gear up as I put the gear up we got a very strong dirty sock smell. I let down my sunglasses and the entire cockpit was filled with smoke I immediately told Tower we were returning to the airport for smoke in the cockpit. They then gave us right pattern XXR clear to land at this point I took the controls from my FO and conducted the landing myself on Runway XXR about 5 minutes after takeoff. We taxied into the ramp again shut the airplane down cold dark. I then called mission control and our Chief Pilot.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.