THE FOLLOWING ARE ELEMENTS. NO FURTHER INFORMATION IS AVAILABLE AT THIS TIME. THE CONTENTS AND SUBSEQUENT SUBJECT MATTER ARE UNKNOWN....... WPA 1527......."A" WIND TRACK WPA 1527A....."A" WIND CRI (INTERMEDIATE PRINT) WPA 1527B......"A" WIND NEGATIVE WPA 1527C......"B" WIND NEGATIVE WPA 1527D......WORKPRINT