Is it possible to kill the 2 Harvesters on Thessia?

Just did this today on normal. I killed them both very quick but the pilot still died as the 2nd one exploded so don't think you can save the pilot or maybe i was just a second to late.

I don't think i could have taken them down much faster since I play an infiltrator with maxed Disruptor ammo, Tactical Cloak and Operational Mastery all focusing on max head shot damage. I'm using a Black Widow V with Extended Barrel IV and Enhanced Scope V and this gear: