There is the distinct possibility that the purpose was just to blast off the vegetation so the Iraqi 2nd could find the ISIS troops; a terrain denial op. Video shows only part of the op.
The F15s carried 5 or more 2000lb GBU-31/B Joint Direct Attack Munition (JDAM) GPS-guided bombs; the F-35s 2 more GBU-31/B each
Has NAPALM been outlawed?