An all-aspect

air-to-air missile The newest and the oldest member of Rafael's Python family of AAM for comparisons, Python-5 (displayed lower-front) and Shafrir-1 (upper-back) An air-to-air missile (AAM) is a missile fired from an aircraft for the purpose of destroying a ...

can track a target no matter which way the target faces relative to the missile. In other words, an all-aspect missile can be launched against a target not only in a

tail-chase engagement A tail-chase engagement (or rear-aspect engagement) is one where a surface-to-air missile system or jet aircraft engages another aircraft while the target aircraft is flying away from the attacker. This makes engagement with cannons or infrared hom ...

, but also in a

head-on engagement A Head-on engagement is one where a surface-to-air missile system or jet aircraft engages another aircraft while the target aircraft is flying towards the attacker. This makes engagement with infrared homing missiles more difficult because the hot ...

, in a side-on engagement, from above, from below, etc. This is opposed to older

infrared homing Infrared homing is a passive weapon guidance system which uses the infrared (IR) light emission from a target to track and follow it seamlessly. Missiles which use infrared seeking are often referred to as "heat-seekers" since infrared is radi ...

rear aspect missiles which were only able to track the hot engine exhaust of an aircraft if the aircraft's engine exhaust was pointing towards the missile seeker, and thus were only successfully used in tail-chase engagements. Examples include the US

AIM-9 Sidewinder The AIM-9 Sidewinder (where "AIM" stands for "Air Intercept Missile") is a short-range air-to-air missile which entered service with the US Navy in 1956 and subsequently was adopted by the US Air Force in 1964. Since then the Sidewinder has prov ...

(AIM-9L and later), the Russian

Vympel R-73 The R-73 (NATO reporting name AA-11 ''Archer'') is a short-range air-to-air missile developed by Vympel NPO that entered service in 1984. Development The R-73 was developed to replace the earlier R-60 (AA-8 'Aphid') weapon for short-range use b ...

and the Israeli

Rafael Advanced Defense Systems Rafael Advanced Defense Systems Ltd. ( he, רפאל - מערכות לחימה מתקדמות בע"מ, formerly Rafael Armament Development Authority), ("Rafael" from Hebrew acronym of "Authority for the Development of Armaments" - ) is an Israel ...

Python 5 The Rafael Python is a family of air-to-air missiles (AAMs) built by the Israeli weapons manufacturer Rafael Advanced Defense Systems, formerly RAFAEL Armament Development Authority. Originally starting with the ''Shafrir'' ( he, שפריר, loos ...

air-air/ground-air missile. Asia-Pacific defence reporter, Volume 30, p.16, 2004

References

Missile guidance {{missile-stub