Of the barrel roll.

While topping out.

Before starting a spiral.

Of texan fliers.

At the end of the routine.

In a spiral turn.

At the top of a barrel roll.

With a twist.

Starting to arch.

In silhouette.

At the bottom of a dip.

Showing of a good angle.

In its own smoke.

Including the smoke.

Belching out the smoke.

Tail over heads.

With very billowy smoke.

Ready to leave a trail.

Heading away into the sun.

Gunship, utility and cargo/troop transport.