Using a protractor by an engineer in the old schoolUsing a protractor by an engineer in the old school
American armored, single-seat, twin-engine thunderbolt attack aircraft in flightAmerican armored, single-seat, twin-engine Thunderbolt attack aircraft in flight
A self-propelled howitzer is painted on a red backgroundA self-propelled howitzer is painted on a red background
Soviet single-engine yak-7a against the sky, drawingSoviet single-engine Yak-7A against the sky, drawing
A single-engine soviet military aircraft is fightingA single-engine Soviet military aircraft is fighting