That's Labour Day. A public holiday in Germany and the US, so no idea if this means less activity, but be warned... Was there 4 years ago (time flies) on Labour day.. during the day aircraft were only allowed to come in between 12.00 and 18.00 (due to quiet hours). At 12.00 o'clock sharp 4 C-141's ...
The KDC-10 can handle up to 6 F-16's. If the flight is greater than 6 aircraft, they have to split the flight in multiple flights with lesser aircraft or send an extra tanker.
The flight consists of 6 aircraft so they can make it in one flight.