○○○CH-47 Chinook⪢⪢
Developed in the 1950s by Boeing Vertol, the CH-47 Chinook took its first flight in 1962 with the intention to provide heavy lift transport capabilities in rugged terrain and combat situations.
http://qindex.info/i.php?x=26417
•Three Ways to Express Future Events
(1) present continuous: Emphasizes the present effect of the future event. Fixed plans. (2) be going to: Emphasizes the intention. Plans made in the past. (3) present simple: Future event based on a schedule or timetable. Used in subordinate clauses.
http://qindex.info/i.php?x=4068