SRL for [airdrop]: There had been some uncertainty as to whether the Russians would continue their [airdrop] of supplies to pro - Red forces following the installation of Prince Boun Oum 's cabinet last week .
ARG-0: their | ARG-1: of supplies | ARG-2: to pro - Red forces | ARG-M-TMP: following the installation of Prince Boun Oum 's cabinet last week