My SYSTEM has unbelievable developing possibilities by composing some huge assemblages of several permanently joined space-rockets in the row. It means by joining permanently two or several first stage rockets in the row for one launch. For example, 2, 6, 10 or 20 space-rockets in the row. For next launch can be joined another amount of the space-rockets. The second stages can also be permanently joined in the row and mounted above the first stages.

Those all joined first stage rockets will not separate from each other during launch, staying in space, for docking back to the second stage and landing together with them. It means that even the second stage rockets in the row will not separate from each other. After landing, all space-rockets can be quick get ready for new launch. The same way as it is shown for one entire space-rocket.

Such composition of several permanently joined space-rockets in the row - allows launching the huge in dimension payload and with the huge weight, e.g. 500 metric tons. It seems unbelievable, however I am showing it on below drawings.

Such a huge assemblage of nine permanently joined space-rockets in the row is shown on drawings below.

Moreover, all space-rockets can be quick reuse multiple times and even the second stages.

All those are possible because of applying several spreadable-arms mounted on all first stage space-rockets.

In this SYSTEM, the space-rockets lift-off from the spreadable-arms and land on them. Hence, such huge assemblage of several permanently joined space-rockets in the row will hang on their all spreadable-arms before launch. Next, all space-rockets will lift-off together and later will land together on their all spreadable-arms.

The space-rocket lift-off from two ground-gantries also creates a few benefits like smooth igniting of the main engines, smooth adjusting of the rocket initial vertical position.

Suchlike huge assemblages of permanently joined space-rockets in the row were not possible before. It was caused by a very dangerous moment when the rocket starts main engines and lift-off.

The traditional space-rocket after the firing blast of all main engines must instantly maintain its own vertical position because already nothing supports it from the sides. It causes that the rocket all main engines must be started just at the same moment and with the absolutely full power. It is the most danger moment for the space-rocket because it is also charged in fullness. Without the full power from all engines, the space-rocket cannot maintain its vertical position and can fall over. The start and lift-off juncture also was the most difficult and dangerous during launching of the Space Shuttles.

In my solution the System - the permanently joined space-rockets in the row hang on all their arms on two ground-gantries. Therefore, they do not stand on some base and are not supported from sides. It causes that the space-rocket lift-off does not have to be rapid. All main engines of all space-rockets in the row we can start in the facultative order and with the facultative power. At the beginning, we can start all engines at low-power and gradually increase their power. Then, after obtaining the certainty that all engines work perfectly, we can gradually increase their power and peak the entire assemblage in the perfectly vertical position. Then we can further gradually increase the power of all engines till they will obtain the sufficient power for lifting the entire assemblage and maintaining the perfectly vertical position.

The lift-off of the entire assemblage does not have to be super quick but gradual, what is greatly favourable for all parts and components of the rockets. The speed of the entire assemblage can increase over time. 

1. Before launch, the entire assemblage HANGING on two ground gantries.

2. LIFT-OFF of the entire assemblage in variant 1. The side view.

3. ASCENT of the entire assemblage in variant 1.

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4. ASCENT after the fairings separation. The fairings fell behind.

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5. ASCENT of the second stage with payload after separation from the first stage. The second stage consist of joined 3 vacuum engines and 4 tanks.

= the vacuum engine without some tanks
= the tank for fuel or oxidizer or pressurized gas
= the distance module (empty or for some additional equipment)
The first stage stayed in on low Earth orbit. The first stage consist of joined 9 space rockets and 2 distance modules.

6. On high Earth orbit, the payload separates from the second stage.

7. On high Earth orbit, the second stage turns over and ignites vacuum engines.

8. DOCKING of the second stage to the first stage. On low Earth orbit, the second stage is approaching to the first stage in order to dock to it.

The first stage was staying in on low Earth orbit.
The first stage consist of joined 9 space rockets and 2 distance modules.

9. Atmospheric RE-ENTRY of the assemblage which consist of the first stage with docked the second stage.

Currently, all spreadable-arms are entirely lowered down; all steering flaps are a little deflected out; all blocking-bars are entirely slid outside.
And currently all sliding-engines-cover are entirely lowered down, and it causes that all rocket bottoms are entirely covered underneath and almost entirely at sides.

10. DESCENT in the last stage before landing of this assemblage which consist of the first stage with docked the second stage.

Currently, all spreadable-arms are entirely lifted upward (spread out) what causes that they operate as an aerodynamic brake.
And currently some steering flaps are entirely deflected out while others are vertically set and are inside the rocket frame.
And currently all sliding-engines-covers are entirely lifted upward and while all main engines began the landing burn.

11. Shortly before LANDING on two ground gantries of the assemblage which consist of the first stage with docked the second stage.

The first stage consist of joined 9 space rockets and 2 distance modules.
The second stage consist of joined 3 vacuum engines and 4 tanks.
Currently, in all space rockets, all spreadable-arms are entirely lifted upward (spread out).
And currently in all space rockets, all main engines finishing the landing burn.

203. ASCENT of the entire assemblage in variant 2. It consists of the first stage and inside the fairings are the second stage with payload.

The second stage consist of joined 3 vacuum engines having tanks. The entire second stage is inside the fairings. The first stage consist of joined 9 space rockets.

Currently, on the first stage, all spreadable-arms are entirely lowered down, and all steering flaps are vertically set and are inside the rocket frame. And currently all sliding-engines-covers are entirely lifted upward, and all main engines are working.

This assemblage in variant 2 is less practical but perhaps with some payloads might be necessary.

205. SEPARATION of the assemblage in variant 2 after the payload fairings fell behind.
The second stage consist of joined 3 vacuum engines having tanks.
The vacuum engine having tanks inside =

Soon after separation, the second stage with payload will turn up and will ignite vacuum engines. The second stage with payload will ascend to HEO. Next, the second stage will return to LEO in order to dock to the first stage. The first stage consist of joined 9 space rockets.

207. On LOE the first stage with DOCKED the second stage - variant 2.
The second stage consist of joined 3 vacuum engines having tanks.

The first stage is ready for igniting engines for beginning atmospheric re-entry.
The first stage consist of joined 9 space rockets.

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