II
55
to consist of the Cloud Sampling Element (augmented by six B-57D aire
craft of the Strategic Air Command), the Indirect Bomb Damage Assessment Element, the Very High Altitude-Ultra High Altitude Aircraft Element, the Ionosphere Element, the Air Force Effects Element, and the
Navy Effects Element (to be provided by the Naval Air Special Weapons
Faotlity, Kirtland Air Force Base, and attached to the Test Aircraft
Unit for operational control); the Test Services Unit was to consist
of the Search and Rescue Element (to include Weather Island re-supply),
the Weather Reporting and Forecasting Element, the Weather Reconnaissance
Element, the Communications Element, the Weather Central Element, the _
Military Air Transport Service Terminal Element, and the Aerial Photo—
graphy Element.
The book message, among other things, also described the types and
numbers of aircraft to be used during HARDTACK (see "Aircraft Requirements," this chapter), authorized direct communication between participating organizations, cited the authority for funding procedures, set
forth broadly the security clearance requisites
for pereonnel engaged
in the operation, and provided authorization for logistical support and
for necessary modification of certain aircraft.
Planning Directive. ‘The Task Group 7.4 Planning Directive 5-57,29
having been under preparation since early September 1957, was published
on 17 October 1957.
This directive outlined the general scheme for
AFWL/ HQ