Arbalest not be the same as an arbalest). In some cases, the word has been used to refer to arbalists, the people who actually used the weapon. Arbalest The arbalest (also arblast) was a late variation of the crossbow coming into use in Europe during the 12th century. A large weapon, the arbalest had a steel prod ("bow"). Since the arbalest was much larger than earlier crossbows, and because of the greater tensile strength of steel, it had a greater force. However, the greater draw weight was offset by the smaller powerstroke, which limited its potential in fully transferring the energy
Weapon systems officer Weapon systems officer A Weapon Systems Officer ("WSO", or "wizzo” as a common nickname ) is an air flight officer directly involved in all air operations and weapon systems of a military aircraft. Historically, aircrew duties in military aircraft were highly specialised and rigid, because the relevant controls, instruments/displays, and/or weapons were concentrated in front of particular seats, panels or positions. That included two-seat variants of fighter or attack/strike aircraft (including late 20th century types such as the F-4 Phantom II, A-6 Intruder, F-111, Panavia Tornado, Su-24 Fencer and Su-30MK Flanker-C). However, more recently developed aircraft with two-member crews such