Two SU-27 smashed each other during their on-ground movement

You Might have seen that two Passenger plane crashed into each other on ground but i bet you have never seen two Fighter jets crashed into each other on ground

In above photo you can see  two Russian SU-27  fighter jets smashed each other during their on-ground movement.

on March 27, 1977,   a fatal runway collision between two Boeing 747s at Los Rodeos Airport (now Tenerife North Airport), on the island of Tenerife, in the Canary Islands. The crash killed 583 people, making it the deadliest accident in aviation history.