Panzer II variants the Pz.Kpfw. IIJ, it was redesigned after the Panzer V Panther, most noticeably with the introduction of fully sloped frontal armor. Two versions were initially planned, a lighter, faster 18-ton variant and a slower, 26-ton vehicle; the former was abandoned at an early stage. Subsequently, work on the first prototype was abandoned when it was determined that the vehicle was underarmed for its weight, and versions of the Panzer IV and V could serve just as well in the reconnaissance role while being more capable of defending themselves. This vehicle never received an official Panzerkampfwagen title, but it would have
Martin-Baker Mk.2 Martin-Baker Mk.2 The Martin-Baker Mk.2 is a British ejection seat designed and built by Martin-Baker. Introduced in the early 1950s, the Mk.2 was developed from the Martin-Baker Mk.1, the main improvement being automatic parachute deployment. A version of the seat with a longer-stroke ejection gun for the V bombers was the Martin-Baker Mk.3. The Mk.2 seat was designed as an improved version of the first Martin-Baker seat. Improvements included relocation of the main parachute and dinghy, automatic parachute deployment and man/seat separation systems to assist incapacitated crews . During 1953 Mk.1 seats in service were modified to Mk.2 standard. The