An attack aircraft (also called a strike aircraft or attack bomber) is a tactical military aircraft that has a primary role of carrying out airstrikes with greater precision than bombers, and is prepared to encounter strong low-level air defenses while pressing the attack.
A fighter aircraft is a military aircraft designed primarily for air-to-air combat against other aircraft, as opposed to bombers and attack aircraft, whose main mission is to attack ground targets.
The Polish Air Force (Siły Powietrzne, literally "Air Forces") is a military branch of the Polish Armed Forces.
A squadron in air force, army aviation, or naval aviation is mainly a unit comprising a number of military aircraft and their aircrews, usually of the same type, typically with 12 to 24 aircraft, sometimes divided into three or four flights, depending on aircraft type and air force.
The Sukhoi Su-17 (NATO reporting name: Fitter) is a Soviet variable-sweep wing fighter-bomber developed from the Sukhoi Su-7.
The 12 Baza Lotnicza (12th Air Base) is a Polish Air Force base, located 5 km north of Mirosławiec.