According to documents , the usaf plans to continue development of the block 40 global hawk .
按文件所述,美国空军计划继续开发“全球鹰”block40型。
According to lieutenant general mark d shackelford , the military deputy to the assistant secretary of the air force for acquisition , the test marks a major milestone in the usaf 's efforts to source half of its jet fuel requirements from domestically derived , environmentally friendly alternative sources by 2016 .
In addition , the usaf plans to dispose of its alenia c-27j spartan cargo fleet and return to using the lockheed martin c-130 hercules aircraft for the direct airlift support mission , despite us army objections to the plan .
" We are continuing discussions with the usaf and remain hopeful that this effort will help provide future operating funds , " pierson wrote in the letter . " At the same time , we must strive to find other sources of funding to supplement operations costs and , very importantly , to support seti science observations . "