Here's a bigger version of your picture. The YC-14 was an experimental plane build for a competition for what became the C-17. McDonnel Douglas won with their YC-15 prototype. The YC-14 was a much bigger plane than the An-72.
Here's a bigger version of your picture. The YC-14 was an experimental plane build for a competition for what became the C-17. McDonnel Douglas won with their YC-15 prototype. The YC-14 was a much bigger plane than the An-72.